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BMW Home >  BMW Technical Articles
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BMW
Technical Articles

Welcome to our BMW technical articles section.  We've gathered a vast collection of useful articles to help you repair many items on your BMW.  Save money by avoiding your mechanic and perform the repairs using the information we've provided here.  Can't find what you're looking for?  Try our Search Engine, or hop over to our Technical Bulletin Board, and ask your question to the thousands of members who post messages there every day.

Jump to: E30 Articles | E36 Articles | E46 Articles | E90 Articles | E60 Articles | E39 Articles | Z3 Articles | X5 Articles

 Engine & Clutch
BMW Belt Replacement
Here's some short instructions on this very basic of maintenance tasks.
    
Applies to: All 4/6-cyl BMWs
BMW Oil Change
The most common task to do on your BMW - the 4-cylinder and 6-cylinder engines are covered here.
    
Applies to: All 4/6-cyl BMWs
3-Series Clutch Replacement
Our biggest and most comprehensive article yet.  From start to finish, all the instructions are here, along with about 70 photos too!
    
Applies to: All 3-Series BMWs
Clutch Slave Cylinder Replacement & Bleeding
Clutch pedal feeling spongy?  Try replacing your slave cylinder and rebleeding your system.
    
Applies to: All 3-Series BMWs
Valve Cover Seal Replacement
The valve covers on the BMW four and six cylinder engines are very prone to messy and annoying leaks.  The valve cover seal replacement is an easy task, as shown in this technical article.
    
Applies to: All BMWs
BMW Spark Plug Replacement
Spark plugs are an important part of your engine - make sure that they are replaced every 10,000 miles or so, to keep your ignition system running smoothly.
    
Applies to: All BMWs
BMW Camshaft Removal / Installation
Wayne has found a solution to the problem of how to remove your BMW camshafts without using the $1400 special factory tool.  Complete technical article here with all the info...
    
Applies to: All BMWs
Camshaft Timing & VANOS Unit Installation
Need to retime your cams?  VANOS unit need replacing?  Here's the details on timing your engine, and the install of this tricky unit.
    
Applies to: All 3-Series BMWs
Rod Bearings & Oil Pump Nut Replacement
If your engine has ever suffered from a loss of oil pressure, then the first thing you should do is replace your rod bearings.
    
Applies to: All 3-Series BMWs
Oil Pan Gasket Replacement
These gaskets often leak with age, and replacing them can be a messy job.  Find out the best way to get it done with as little frustration as possible here in this article.
    
Applies to: All 3-Series BMWs
E30 Timing Belt Replacement
One of the most important maintenance tasks for the six-cylinder E30 engines is the replacement of the rubber timing belt. Be sure to read this article, even if you will not be performing the job yourself.
    
Applies to: E30 3-Series BMWs with 6-cyl engines
Machine Shop 101
If you're considering a top-end rebuild then stop right there.  Read this first before you take any other steps towards having your cylinder head overhauled.
    
Applies to: All 3-Series BMWs
Intake Manifold Removal
Hey, if we can do it, then you can too.  Just be patient and follow through all the steps illustrated in this article.
    
Applies to: All E36 3-Series BMWs with 6 cylinder engines
Camshaft Position Sensor Replacement
If the camshaft position sensor is not operating properly, your car will run very erratically, and perhaps not at all.  See how easy it is to replace and restore the smooth purr to your engine.
    
Applies to: All E36 3-Series BMWs
Crankshaft Position Sensor Replacement
Like the camshaft position sensor, you'll certainly want to replace this unit as soon as it fails.  Find out how by reading this article.
    
Applies to: All E36 3-Series BMWs
Lower Chain Tensioner Replacement
Noisy timing chain operation is indicative of worn tensioners.  Be sure to do the job right by upgrading to the later style tensioners if your car doesn't have them already.
    
Applies to: All E36 3-Series BMWs
Head Gasket Replacement
Oh boy... a blown head gasket is never good news.  This project isn't for everybody, but if you're up for the task, be sure to follow the instructions here.
    
Applies to: All 3-Series BMWs
VANOS Oil Line and Solenoid Replacement
One of the worst places for oil to leak is on top of the engine.  Clean up that greasy mess and prevent it from happening again by replacing this oil line.
    
Applies to: All E36 3-Series BMWs with VANOS
Turbos and Superchargers for Your BMW
We know you're curious about forced induction.  Find out what you need to know first if you're seriously considering this route.
    
Applies to: All 3-Series BMWs
BMW Engine Management Systems
If you're looking to squeeze the most performance out of your motor as you possibly can, then an Electromotive TEC3r system is certainly the way to go.
    
Applies to: All 3-Series BMWs
Time To Rebuild?
Wayne Dempsey outlays the tests and evaluations that you should perform on your engine before deciding it's time for a rebuild.
    
Applies to: All BMWs
Valve Adjustment Made Easy
Stop paying your mechanic to adjust your valves - it's really not that difficult.  Jared shows you how to on the 3-Series E30 six-cylinder engines.
    
Applies to: E30 six cylinder engines (1984-91)
Dyno Testing
Who isn't curious about how much power they're transferring to the wheels?  Learn about all the basics here before you strap your car onto a dyno for the first time.
    
Applies to: All BMWs
Ignition Troubleshooting Checklist
Mikko Kosonen has compiled a neat list for owners of all cars to check when they are experiencing problems with their ingnition systems.
    
Applies to: Early carburated BMWs
Ignition System Tune
     Applies to: E30 cylinder engines (1984-91)
 Cooling System
BMW Cooling System Flush & FAQ
Check it out - more than you ever wanted to know about your cooling system, why you need to maintain it regularly, and how to change that pesky coolant.
    
Applies to: All BMWs
BMW Thermostat Replacement
When replacing your water pump, you should also replace your thermostat as well.  Here's easy instructions on how to swap it out.
    
Applies to: All BMWs
BMW Water Pump Replacement
The old-style water pumps used plastic impellers that were prone to failure.  Replace yours now before it's too late.
    
Applies to: All BMWs
BMW Radiator Replacement
Got a pin-hole leak in your radiator?  Want to upgrade to a better cooling one?  It's pretty easy to remove and reinstall your radiator.
    
Applies to: All BMWs
Coolant Temp Sensor Replacement
     Applies to: E30 cylinder engines (1984-91)
 Fuel Injection
Fuel Filter Replacement
You should replace your fuel filter about every 10,000 miles or so.  This technical article shows you how to perform this relatively easy maintenance task.
    
Applies to: All BMW
DME Repair
Got some problems with your DME?  Want to know how to stop the horrible DME "flooding" problem on early E36s?  Check out this informative article.
    
Applies to: All BMW
DME Chip Upgrade
Want some more HP out of your car?  Try an inexpensive chip upgrade, and be on the road in 30 minutes with more performance.
    
Applies to: All BMW
E30 Chip Install
     Applies to: All E30 3-Series BMWs (1983-93)
E36 Fuel Pump Replacement
Worried about doing this swap?  Don't be - we have all the info you need, including your pre-flight safety check!
    
Applies to: All BMW  1996 and later
Replacing the Fuel Pump & Fuel Level Sender
If your pump is noisy and loud, or the fuel pressure in the engine compartment is below what is needed for proper fuel injection operation, then it’s probably time to replace it.
    
Applies to: All 3-Series BMWs
Monitoring OBD-II Fuel Injection
Need to figure out why that check engine light is on?  Want to emulate a rolling dyno?  PC-based OBD-II software has made great strides to bring this information to your fingertips.
    
Applies to: All BMW  1996 and later
Installing a Performance Intake System
A properly designed cold air induction system can give your car a little boost in performance, but make sure you know what you're getting first by reading this article.
    
Applies to: All 3-Series BMWs
BMW Fuel Injector Replacement
If your injectors are leaking, or you're thinking they are clogged, here is a step-by-step procedure on how to change them out.
    
Applies to: All BMW 3-Series E36 1992-99
Oxygen Sensor Replacement E36
Got an E36 BMW?  Wayne shows you how to replace the O2 sensor easily!
    
Applies to: All BMWs (1992-2000)
Oxygen Sensor Replacement E30
Gas mileage got you down?  Need to replace your O2 sensor, but are not exactly sure how?  Jared Fenton guides you through this relatively easy task.
    
Applies to: All BMWs (1984-1991)
All About Oxygen Sensors
Jared Fenton discusses the in and outs of oxygen sensors.
    
Applies to: All BMW
Reading Fault Codes on BMW Fuel Injection Systems
Check engine light on in your car?   Not sure how to fix it?  Use the techniques outlined in this article to figure out which problems are causing the light to come on.  See also Jared Fenton's write-up on reading fault codes.
    
Applies to: All BMWs (1984-2000)
Fuel Filter Replacement
     Applies to: All E30 3-Series BMWs (1983-93)
Fuel Injector Cleaning
     Applies to: All E30 3-Series BMWs (1983-93)
Idle Speed Troubleshooting
     Applies to: All E30 3-Series BMWs (1983-93)
Painting Your Intake Manifold
     Applies to: All E30 3-Series BMWs (1983-93)
 Suspension
Front Shock Replacement
E36 / E46 and later BMWs all have a similar procedure for the replacement of front shocks...
    
Applies to: All E30 3-Series BMWs (1983-93)
Rear Shock Replacement
Rear shocks are a bit easier than the fronts...
    
Applies to: All E30 3-Series BMWs (1983-93)
E36 Control Arm Replacement
Got a bent or worn out front control arm?  Replacement is not that tough if you have the right instructions...
    
Applies to: All E30 3-Series BMWs (1983-93)
E30 Rear Sway Bar Bushing Replacement
Jared shows us how to stiffen up the rear suspension of your 1984-1991 3-Series BMW with the replacement of the rear sway bar bushings.
    
Applies to: All E30 3-Series BMWs (1983-93)
E30 Rear Sway Bar Drop Link Replacement
Learn how to replace this often-failing part with this handy article from Jared Fenton.
    
Applies to: All E30 3-Series BMWs (1983-93)
Front Springs and Shock Replacement
Pelican regular Jared Fenton shows us how easy it is to restore proper handling and how to lower your E30 3-Series BMW to boot!
    
Applies to: All E30 3-Series BMWs (1983-93)
Rear Springs and Shock Replacement
Jared finished up with part two of spring and shock replacement for the 1983-93 3-Series E30 cars.
    
Applies to: All E30 3-Series BMWs (1983-93)
Alignment on Your BMW
Any modification or repair made to your suspension system is bound to affect its alignment.  Even though it's still important to know a good alignment shop, learn how you might be able to align your car at home in this article.
    
Applies to: All 3-Series BMWs (1984-99)
Front Suspension Overhaul
Your shocks aren't the only parts of the suspension system that wear out.  Take the time to overhaul the entire front end carefully and you'll feel much better that you did so.  Really!
    
Applies to: All 3-Series BMWs (1984-99)
E36 Performance Suspension / Lowering Your BMW
The PSS performance suspension kit from Bilstein is one of the top performing kits available for the E36 3-Series.  Learn how to install it correctly in this article.
    
Applies to: All E36 3-Series BMWs
Installing a Strut Tower Brace
A strut tower brace links the top of the shock towers to insure that the towers do not bend when the chassis is flexing.  Find out more about how they work and which designs are best in this article.
    
Applies to: All 3-Series BMWs (1984-99)
Replacing Rear Shock Mounts
     Applies to: All 3-Series BMWs (1983-99)
Installing the Lower Cross Brace
M3s and all convertible models had these installed from the factory to increase chassis rigidity.  Installing one on your E36 coupe or sedan is an easy upgrade for any motoring enthusiast.
    
Applies to: All E36 3-Series BMWs
Front Wheel Bearing Replacement
     Applies to: All E30 3-Series BMWs (1983-93)
Front Suspension Bushing Overhaul
     Applies to: All E30 3-Series BMWs (1983-93)
Motor Mount Replacement
     Applies to: All E30 3-Series BMWs (1983-93)
Rear Sway Bar Drop Link Replacement
     Applies to: All E30 3-Series BMWs (1983-93)
Rear Wheel Bearing Replacement
     Applies to: All E30 3-Series BMWs (1983-93)
 Transmission & Driveshaft
Installing a Short Shift Kit
Installing a short-shift kit (SSK) is probably the number one most popular upgrade for these 3-Series cars.  Detailed instructions on the process are here in this tech article.
    
Applies to: All E36 3-Series BMWs (1992-99)
Replacing Shift Bushings
Loosey-goosey shifter got you down?  Transmission grinding?  Perhaps it's just your shift bushings that are worn.  Find out how to replace them here.
    
Applies to: All E36 3-Series BMWs (1992-99)
Replacing your Driveshaft Center Bearing
Got driveshaft noise?  Perhaps it's your center driveshaft bearing.  If you're replacing your flex disc (below), you should check out this article as well.
    
Applies to: All E36 3-Series BMWs (1992-99)
Replacing your Driveshaft Flex Disc / Guibo
These flex discs crack and fail all the time.  The good news is that replacement is relatively easy!  Check out this article for detailed instructions on this procedure.
    
Applies to: All E36 3-Series BMWs (1992-99)
CV Joint, Boot, and Axle Replacement
Clunk!  Looks like it's time to replace your CV axles.  Find out what you need to know about the procedure here.
    
Applies to: All 3-Series BMWs
Replacing your Transmission Mounts
Prevent expensive mis-shifts by keeping your transmission mounts in top shape.  Or install UUC Transmission Mount Enforcers to keep them in line.
    
Applies to: All E36 3-Series BMWs (1992-99)
Transmission Removal
Getting to that clutch is no easy task, but it can definitely be done by the average home mechanic.  Following this step-by-step process, you can hardly go wrong.
    
Applies to: All 3-Series BMWs (1984-99)
Replacing Manual Transmission Fluid
One of the easiest tasks to perform on your BMW is to change the transmission or differential oil, but just in case you need a bit of guidance, be sure to read this article first.
    
Applies to: All 3-Series BMWs (1984-99)
Replacing Your Automatic Transmission Lines
Leaky line got you losing fluid?  Replace your lines with the procedure here.
    
Applies to: All E36 3-Series BMWs (1992-99)
Replacing Your Automatic Transmission Fluid
This procedure is a bit difficult without the right knowledge and know-how, which we provide for you right here.
    
Applies to: All E36 3-Series BMWs (1992-99)
Replacing Your Differential Fluid
     Applies to: All BMWs
Limited Slip Differential Swap (LSD)
     Applies to: All E30 3-Series BMWs (1983-93)
 Exterior
Blacking Out Your Chrome Trim
     Applies to: All BMWs
BMW Roundel Emblem Replacement
Jared Fenton shows you the really easy steps to improving the looks of your BMW, with the simple front or rear Roundel replacement.
    
Applies to: All BMWs
Replacing the Window Regulator and Motor
Have you gotten tired of having to open your door and get out to retrieve your burger at the drive thru window?  Well lucky for you, so have we.
    
Applies to: All E36 3-Series BMWs
Sunroof Removal and Repair
BMW sunroofs can be very confusing items if you’ve never worked on one before, but hopefully this article can help you out the first time around.
    
Applies to: All E36 3-Series BMWs
Tire and Wheel Sizing
Putting the wrong size tires on your wheels can alter your speedometer readings and might not look right.
    
Applies to: All 3-Series BMWs (1983-99)
Using Car Bras & Car Film
Protect your paint by installing a car bra or car film the right way.
    
Applies to: All 3-Series BMWs (1983-99)
Personal Touches
Just some of the many things you can do to enhance the look of your BMW is illustrated in this article here.
    
Applies to: All 3-Series BMWs (1983-99)
M3 Mirror Upgrade
Installing M3-style mirrors is one of those neat projects that can really add some spice to the look of your car, while not really taking up too much of your time.
    
Applies to: All E36 3-Series BMWs (1992-99)
Convertible Rear Window Replacement
Convertible rear windows are certainly one of the least resilient parts on the exterior of your BMW.  Learn how to replace it in just a few basic steps here.
    
Applies to: All 3-Series BMWs (1983-99)
Convertible Top Adjustment and Repair
The BMW convertible top is one of the most complicated systems on the car.  While some problems are easy to fix, others can definitely be a hassle.
    
Applies to: All 3-Series BMWs (1983-99)
Installing a Rear Spoiler
Some cars just look a lot better with spoilers, and the BMW 3-Series is one of them.
    
Applies to: All 3-Series BMWs (1983-99)
Replacing Hood Shocks
Are you getting tired of having your front or rear trunk lids fall on your head? It’s probably time to replace your hood shocks.
    
Applies to: All 3-Series BMWs (1983-99)
Concours Corner: Cleaning Your Engine, Part I
Need some tips on this seemingly daunting task?  Bev Frohm teaches the dos and don'ts of cleaning your engine in part one of this series.
    
Applies to: All BMWs
Concours Corner: Cleaning Your Engine, Part II
Part II covers more of the procedure in getting your engine to shine.
    
Applies to: All BMWs
Concours Corner: All About Bras
Once again, Bev offers up some suggestions and tips learned from experience with her concours winning 911.
    
Applies to: All BMWs
Concours Corner: Washing Your Car
Bev Frohm gives us some tips and tricks for washing your car in this article which is the first in a series.
    
Applies to: All BMWs
Concours Corner: Polishing Alloy Wheels
Bev Frohm offers up some tips and tricks for polishing and maintaining your Fuchs alloy wheels to a mirror finish.
    
Applies to: All BMWs
 Interior
Retrofit a Tilt Wheel on Your E36
Lars Staack supplies all the details on how to install tilt-steering wheel functionality onto  late-model E36's.
    
Applies to: E36 3-Series BMWs (1996-99)
Steering Wheel Replacement
A new steering wheel can completely refresh your driving experience into something new again!
    
Applies to: All E36 3-Series BMWs
Headliner Replacement
What's up?  Your ugly, old headliner.  Fortunately, replacing it may not actually be as difficult as you think.
    
Applies to: All E36 3-Series BMWs
Door Panels and Lock Troubleshooting
This article specifically targets the replacement of the door lock assembly, but because there are so many moving parts on the door, just about everything about the door panels is discussed as well.
    
Applies to: All 3-Series BMWs (1984-99)
Power Seat Repair
Did you know that seats are actually one of the most complicated components on the E36 3-Series?  Well, you do now.
    
Applies to: All E36 3-Series BMWs (1992-99)
Seat Removal & Sport Seat Installation
Considering a swap to M3 seats?  Or aftermarket sport seats, perhaps?  Learn how to do it right here.
    
Applies to: All 3-Series BMWs (1983-99)
Installing an Aftermarket Shift Knob
Not sure if you can do the install?   It's really easy - just check out these nstructions on the topic, and get it done in about a half an hour.  More information available here.
    
Applies to: All 3-Series BMWs (1983-99)
Concours Corner: Rubber Strip Conditioning
Ever wonder what to use on your precious rubber stripping?  Concours winner Bev Frohm gives us some suggestions for prolonging the life of your weatherstrip.
    
Applies to: All BMWs
 Electrical, Headlamps, and Gauges
Blinking Sidemarker Modification
     Applies to: All 1984-91 BMW 3-Series
On Board Computer (OBC) Converstion / Retrofit
Do you have an early BMW with only one OBC connector, but want to add one of the later-style computers?  Lars Staack has figured it out, and explains all in this guest technical article.
    
Applies to: All BMWs
E36 Climate Control Repair
Is your E36 climate control display dark? Do you have buttons lighten up and darken randomly, with button illumination apparently unrelated to what the heater and A/C are actually doing at the moment? Does it turn off and reset itself randomly? Russell Henning explains an inexpensive repair in this guest technical article.
    
Applies to: All E36 3-Series BMWs (1992-99)
BMW Euro Ellipsoid/Angel Eyes Installation
Your standard headlights might be up to snuff on most roads, but once you convert to ellipsoid style lighting, you'll wonder how you ever drove without them before.
    
Applies to: All 3-Series BMWs
Installing an HID Lighting System
If the Ellipsoids still aren't enough for you, learn about what the ultimate alternative is.
    
Applies to: All 1984-99 BMW 3-Series
Replacing Lenses and Bulbs
Broken lenses aren't just eyesores, but they can get you a ticket too.  Well, if they're broken, then you might as well replace them with something that looks a little better too!  Clear Euro-style lenses just might do the trick.
    
Applies to: All 1984-99 BMW 3-Series
Air Conditioning Maintenance & Upgrade
This article is not intended to be a repair manual for your A/C system, but to serve more as a guide on how the system works, and the maintenance involved with its upkeep.
    
Applies to: All 3-Series BMWs (1983-99)
Alternator Troubleshooting and Replacement
One of the nice things about the configuration of the BMW engine is the relative ease with which you can replace the alternator.
    
Applies to: All 3-Series BMWs (1983-99)
Troubleshooting Electrical Problems
One of the most common problems with older cars is the existence of intermittent and annoying electrical problems.  Learn how to troubleshoot them here before touching any wires.
    
Applies to: All 3-Series BMWs (1983-99)
Replacing the Headlamp Switch
Replacing this switch is relatively easy, so if yours is broken, now's the time to fix it!
    
Applies to: All E36 3-Series BMWs (1992-99)
Radio Head Unit Installation
Is your 10-year old radio head unit just not cutting it any more?.  Crank up the tunes with an aftermarket unit - the install procedure is documented here.
    
Applies to: All 1984-91 BMW 3-Series
Brake Pedal Switch Replacement
Have all your brake lights stopped working all of a sudden?  It's probably your brake pedal switch - replacement is a 30 minute job.
    
Applies to: All 1984-99 BMW 3-Series
Blower Resistor Pack Replacement
If your blower fan switch only works on high, then you could have a faulty resistor pack.
    
Applies to: All 1992-99 BMW 3-Series
Resetting the Airbag Warning Lamp (SRS)
Doing some electrical work on your car, and now all of a sudden, the air bag lamp is on?  This lamp is a huge pain - now there is an easy way to reset it!
    
Applies to: All 1984-91 BMW 3-Series
Installing a CD Changer
Find out which CD changers work with your factory stereo and learn how to install it correctly here!
    
Applies to: All 1984-99 BMW 3-Series
E30 Instrument Light Replacement
Burned out bulbs getting you down?  Find out how to replace them with this handy article.
    
Applies to: All 1984-91 BMW 3-Series
E36 Instrument Light Replacement
E36 models have even more of these little bulbs to deal with.  Make sure you disconnect the battery first!
    
Applies to: All E36 3-Series BMWs
Installing Colored Gauge Faces
Tired of looking at your old dull gauges?  Spice them up with colored gauge faces - Also check out the E30-specific Gauge Face Replacement article.
    
Applies to: All 1984-99 BMW 3-Series
BMW Oil Service Light Reset
Jared Fenton shows you how to reset that annoying service light without taking your car to the dealer.
    
Applies to: All BMWs
Installing an Alarm
Decrease the chances of your precious ride from being stolen by choosing a quality alarm system and installing it properly.
    
Applies to: All E36 3-Series BMWs
Starter System Troubleshooting
Here's a great guest article by James K. Thorusen that describes in detail the problems and solutions for troubleshooting your starter system problems.
    
Applies to: All BMWs
Starter Replacement
Now that you've determined that the starter is bad, learn how to replace it without electrocuting yourself by reading this article here.
    
Applies to: All 1984-99 BMW 3-Series
VDO Gauge Repair and Refurbishment
This is a Pelican Technical Article covering the replacement of gauge faces, odometer repair, calibration checking, and module replacement.
    
Applies to: All BMWs
An Easy and Inexpensive Ignition Cut-Off Switch
Here's a little trick that will disable the ignition system on your car, preventing your pride and joy from being stolen.
    
Applies to: All BMWs with points ignition
VDO Clock Repair
Demick Boyden offers a neat little procedure for getting the tick back into your dashboard clock.
    
Applies to: All BMWs with mechanical clocks
VDO Clock Repair #2
If Demick's article on clock repair doesn't fix your clock, then you might want to try Mack Overman's tips and tricks...
    
Applies to: All BMWs with mechanical clocks
Replacing Service Indicator Board Batteries
     Applies to: All E30 3-Series BMWs (1983-93)
OBC Lamp Replacement
     Applies to: All E30 3-Series BMWs (1983-93)
 Exhaust & Climate Control
E36 Muffler Replacement
Muffler rusty, too loud, or too soft?  Replacement is easy with this simple-to-follow tech article.
    
Applies to: All BMW
E36 Heater Valve Cleaning/Flushing
If hot air is no longer blowing from your climate control system, then a clogged heater valve could very well be the culprit.
    
Applies to: All E36 BMW 3-Series
Air Conditioning Maintenance & Upgrade
This article is not intended to be a repair manual for your A/C system, but to serve more as a guide on how the system works, and the maintenance involved with its upkeep.
    
Applies to: All 3-Series BMWs (1983-99)
3-Series E30 AC Recharging
     Applies to: All 1984-91 BMW 3-Series
 Brakes
Brembo Big Brake Kit Upgrade
Need more brakes?  The Brembo kit is the top-dog in performance brakes.  Wayne R. Dempsey shows you how easy the installation can be.
    
Applies to: All BMW
Emergency Brake Adjustment
Is your e-brake not working too well?  Put it back into adjustment in less than 30 minutes.
    
Applies to: All BMW
Brake Pad Replacement
Want to know how to perform this relatively easy task and save some money at the same time?  Check out our step-by-step instructions on brake pad replacement.
    
Applies to: All BMW
E30 3-Series Parking Brake Adjustment
Can't pull that handle?  Learn how to adjust your parking brake once and for all, and keep your car from rolling down hill.
    
Applies to: All BMW 3-Series 1984-91
BMW E30 3-Series Cross-Drilled Brake Rotor Upgrade
Jared Fenton walks us through the process of upgrading your E30 to cross-drilled rotors for better braking.
    
Applies to: All BMW 3-Series 1984-91
Bleeding BMW Brakes
Another tricky process.  Here's a couple of hints and tips gathered from some good and bad experiences in brake bleeding.
    
Applies to: All BMWs
Parking Brake Shoe Replacement
The last time your car rolled down a hill should be the last time your car rolls down a hill. Replace those important brake shoes now before gravity gets the best of you one day.
    
Applies to: All 3-Series BMWs (1984-99)
Brake Line Replacement
Repeated heat cycling and fluid contamination will eventually cause the inside of the line to swell and the outside to crack.  You've been warned, so now it's time to take action.
    
Applies to: All 3-Series BMWs (1984-99)
Replacing Brake Discs
Stop! Yes, that's exactly what you want to do... but you can't always do so effectively if your brake rotors are worn too thin. Learn how to replace those old discs properly in this article here.
    
Applies to: All 3-Series BMWs (1984-99)
Rebuilding BMW Brake Calipers
Got a frozen caliper?  Learn how to rebuild those calipers the right way by following these simple steps.
    
Applies to: All BMWs
Rear Brake Disc Replacement
     Applies to: All E30 3-Series BMWs (1983-93)
Replacing Front Brake Discs
     Applies to: E30 3-Series BMWs
Painting your Calipers
Once you detail your calipers, no one will be able to tell the difference between your stock ones and the lobster claws of the big reds.
    
Applies to: All BMWs
 Miscellaneous
Air Filter Replacement
New to working on your car?  Not sure where the air filter is?  Check out this simple article.
    
Applies to: All BMWs
BMW Designation FAQ
Confused about which models mean what?  What's an M50 motor?  What does the 'is' mean in your 325is?  Pelican's own Jared Fenton answers your questions in this handy reference FAQ.
    
Applies to: All BMWs
Jacking Up the E36 3-Series
Most common tasks need the car to be jacked up in the air.  But where should you place the jack, and what is the safest method of lifting it?  It's all answered here
    
Applies to: E36 3-Series (1992-1999)
Stubborn Bolt/Stud Removal
We've all encountered the fastener that just won't budge.  Here are the basics (and last ditch efforts) about removing stubborn bolts or studs.
    
Applies to: All 3-Series BMWs (1983-99)
Front Speaker Installation
     Applies to: E30 3-Series BMWs
Rear Speaker Installation
     Applies to: All E30 3-Series BMWs (1983-93)
Tire Size Calculator
Ever wondered what the exact dimensions of tires are for your car?  Plug in the confusing tire size (ex. 215/60/16), and it will give you physical dimensions.
    
Applies to: All BMWs
AC Hydraulic DK13HLQ Jack Drop Speed Adjustment
The AC Hydraulic DK13HLQ is quite simply, the best floor jack we have ever used. Learn how its drop speed can be adjusted here.
    
Applies to: All BMWs
Hot Rodding Your Floor Jack
What can we say, Tom Sharpes has way too much time on his hands...
    
Applies to: All BMWs
Home Toe-in and Camber Adjustment
John Rogers offers a neat article with specs on adjusting your toe-in and camber with homemade tools.
    
Applies to: All BMWs
Street Dyno!
Recording the ignition spark pulses into a wave file and processing it using the software can give a pretty accurate HP/Torque rating for your engine.
    
Applies to: All BMWs
All About Gasoline
Here's a document that explains everything that you may have ever wanted to know about gasonline.  This covers everything from formulations, to smog tests, to octane ratings.
    
Applies to: All BMWs
Synthetic Oil or Not?
Think you're spending too much money on synthetics?  Check out this article, and make an informed decision.
    
Applies to: All BMWs
All About Motor Oils
Ever wondered about the formulations of motor oils?  This document explains the differences, and the formulations, and why which one is best for your car.
    
Applies to: All BMWs
Transmission Final Drive Computer
Here is a little program John Rogers wrote to do some speed vs RPM calculations after he did a rally a couple of months ago.  It's pretty fun to play around with.
    
Applies to: All BMWs
Building an In-Dash Air-Mixture Monitor
Gabriel Pennella offers a great article on building a monitor that you can use while driving to fine-tune your performance.
    
Applies to: All BMWs
MIG Welder Maladies & Bodywork Book Review
Kyle Ehler offers some advice on MIG Welders, and some opinions on some bodywork books.
    
Applies to: All BMWs
Welding Primer & Review
Many thanks to Mike Cooley and John Dunkle for writing this primer on welding.   Check it out if you're interested in learning more about 'the black art of welding.
    
Applies to: All BMWs
 BMW 3-Series E46 1999-2005 Tech Articles:
Jacking Up Your BMW
"Most common tasks need the car to be jacked up in the air. But where should you place the jack, and what is the safest method of lifting it? It's all answered here"
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004), BMW 525i (2001-2004)
Replacing Your Drive Belt
Here's some short instructions on this very basic of maintenance tasks.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Battery Connection Notes and Replacement
New to working on your car? Not sure where the battery is or how it's connected? Check out this simple article explaining all that and more!
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Engine Splash Shield and Plate Replacement
Here's some short instructions on removing the engine splash shield.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Engine Air Filter Replacement
New to working on your car? Not sure where the air filter is? Check out this simple article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 Engine:
Changing Your Motor Oil and Filter
The most common task to do on your E46.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004), BMW 525i (2001-2004)
Replacing Your Oil Level Sensor
Oil level in your dash no longer accurate? Swap that pesky sensor out in no time!
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Idler Pulley Replacement
Here we describe how to replace the idler pulley on an E46 325i.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing the Engine Cover
Need help removing the engine cover? Find the answers in here!
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Spark Plugs and Coils
"Spark plugs are an important part of your engine - make sure that they are replaced every 60,000 miles or so, to keep your ignition system running smoothly."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Oil Filter Housing Gasket Replacement
Replace your oil filter housing gasket easily by following this technical article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Crankcase Breather Valve Replacement
Breather valve starting to give you trouble? Replace it with this guide.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Starter
"Now that you've determined that the starter is bad, learn how to replace it without electrocuting yourself by reading this article here."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Engine Mount Replacement
"Engine mounts will wear out over time. If yours are loose or leaking, then that's a clear sign that they need to replaced."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
VANOS Solenoid Oil Line Replacement
Here we describe how to replace the VANOS solenoid oil line on an E46 325i.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Tackling Your Valve Cover
Got a small oil leak coming from the valve cover or spark plug tubes? Here's how to fix the leak.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
VANOS Actuator Replacement
Rough running engine? Your VANOS actuator may be to blame. Use these steps to replace your VANOS actuator.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 Fuel Injection:
Fuel Filter Replacement
"You should replace your fuel filter about every 10,000 miles or so. This technical article shows you how to perform this relatively easy maintenance task."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Camshaft Sensor Replacement
A bad cam sensor can prevent the engine from starting. Here's how to change it out in under 10 minutes.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Throttle Housing Replacement
Need to remove your throttle housing? We makes it easy with his detailed guide.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Crankshaft Sensor Replacement
A bad crank sensor can prevent the engine from starting. Here's how to change it out in under 10 minutes.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Mass Air Flow Sensor Replacement
Changing the E46 MAF sensor is literally a snap with our handy replacement guide.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Air Intake Ducts Replacement
"Here, We describe how to remove your exhaust system on an E46 325i."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Intake Manifold Gasket Replacement
Time to replace your intake manifold gasket? It's easier than you think…Don't believe us? Read on!
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing and Replacing Your Fuel Injectors
"Here, We describe the steps involved in replacing or cleaning your fuel injectors."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Oxygen Sensor Replacement
"Old, worn out oxygen sensors can cause poor mileage, low power and a variety of fuel injection problems. Learn to replace them today with our article. "
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Secondary Air Components
If your secondary air pump fails then you're looking at a check engine light. This article will fix the problem so you can turn off that light
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 Cooling System:
Water Pump Replacement
"Car starting to overheat? Heater not working like it used to? Over time, the water pump will eventually need to be changed. Here's how to swap it out on your E46."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Cooling Fan Replacement
Is your cooling fan making funny noises? Swap it out with this article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing Your Thermostat
"The thermostat on the E46 can sometimes fail over time, causing some potentially dangerous overheating conditions. Here's how to replace it. "
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Radiator Outlet Temperature Sensor Replacement
Replace your radiator outlet temperature sensor quickly with this guide.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Flushing Your Coolant
"Check it out - More than you ever wanted to know about your cooling system, why you need to maintain it regularly, and how to change that pesky coolant."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Coolant Expansion Tank Replacement
These coolant tanks are well known to crack and leak. Replacement is a snap and takes less than 30 minutes.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Radiator Replacement
Here's how to change the radiator on your E46.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 Transmission / Axles:
Rear Differential Fluid Replacement
"One of the easiest tasks to perform on your BMW E46 is to change the differential oil, but just in case you need a bit of guidance, be sure to read this article first."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Flex Disc
These flex discs crack and fail all the time. The good news is that replacement is relatively easy! Check out this article for detailed instructions on this procedure.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Manual Transmission Fluid Flush
"One of the easiest tasks to perform on your E46 is to change the transmission fluid, but just in case you need a bit of guidance, be sure to read this article first."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 Brakes:
Replacing Your Brake Ducts
Learn how to replace your brake duct with this technical article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Adjusting Your Parking Brake
Tired of chasing your car down hill? Adjusting that parking brake using this article has never been easier!
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Parking Brake Shoes Replacement
Here we describe how to replace your parking brake shoes on an E46 325i.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Brake Pads
"Brake pad sensor light on? It might be time to replace those pads. You're in luck, we have the steps laid out for you in this easy to follow tech article."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Brake Rotors
Learn how to replace your brake rotors with this article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Brake Calipers
"If your car won't start, that's not good. If your car won't stop, that's really bad."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 Suspension:
Power Steering Reservoir Replacement
Is your power steering reservoir looking ugly? Swap it out with a new one following the steps outlined in this guide.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Rear Spring Coils
Replacement of your rear springs is one of the most common procedures for your E46. See these instructions for complete details on the replacement process.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Power Steering Pump Replacement
"Over time, power steering pumps tend to fail. In this article, we'll go over the steps involved with replacing the pump. "
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Rear Shocks
Replacement of your rear shocks is one of the most common procedures for your E46. See these instructions for complete details on the replacement process.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Front Strut Replacement
Learn how to test and replace the front struts and coil springs on your E46 BMW
     Applies to: BMW 325i (2002-2006), BMW 325Xi (2002-2006), BMW 325Ci (2002-2007), BMW 325ti (2002-2005)
How to Replace Your Rear Wheel Carrier Bushing
Time to freshen up your rear suspension? Here we go over how to replace the rear wheel bearing carrier bushing.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
How to Replace Your Stabilizer Links
The rear stabilizer bar end links on BMW E46 models get noisy and even pop apart under pressure from the suspension. We'll show you how to replace them in this tech article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Rear Upper Ball Joint Replacement
Time to freshen up your rear suspension? Here we go over how to replace the rear ball joint.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Front Control Arm Bushings
One of the most common repairs on the front end of an E46 BMW is the front control arm bushings. See how to replace them here along with a few tricks to make getting the bushing off easier. This article applies to front wheel drive (FWD) models.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Front Control Arm Bushings on Your AWD BMW
One of the most common repairs on the front end of an E46 BMW is the front control arm bushings. See how to replace them here along with a few tricks to make getting the bushing off easier. This article applies to all wheel drive (AWD) models.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Front Control Arms on Your RWD BMW
Front control and control arm ball joint problems lead to poor driving performance and noise. Use this tech article to learn how to replace the front control arm on your all wheel drive (AWD) BMW E46.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Rear Trailing Arm Bushing
Time to freshen up your rear suspension? Have a tire wear problem? Here we go over how to replace the rear trailing arm bushing.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 Electrical:
Alternator Replacement
"Replacing the alternator on the E46 can be a bit tedious due to the modular front end design. Here, I'll go over the steps involved with changing it. "
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Blower Motor Final Stage Replacement
Learn how to replace your blower motor with this article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing Your IHKA Control Panel
"The problem isn't always the blower resistor. The IHKA control panel on BMW E46 models fails too. Whether it's broken buttons, failing illumination or a totally inop panel. This tech article will show you how to replace the IHKA panel."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Headlight Switch
Headlights working intermittently? Might be time for a new headlight switch. Use this tech article to see how to replace your headlight switch.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Understanding the E46 Engine Management Systems
BMW E46 models utilize a few different engine management systems. In this tech article we will break them down and explain the differences as well as some important functional notes.
     Applies to: BMW 325i (2003-2007), BMW 325Xi (2003-2007), BMW 325Ci (2003-2008), BMW 325ti (2003-2006)
 Body:
Rear Muffler Replacement
Is your E46 muffler rusting into oblivion? Replace it by following this guide.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing Your Front Bumper
"In order to access the front end on the E46, you need to remove the front bumper. Here's how you do it. "
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing Your Exhaust Manifold
"Removing the exhaust manifold on your E46 may seem daunting, so read up on it first!"
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing Your Exhaust System
Here we describe how to remove your exhaust system on an E46 325i.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Cabin Microfilter Replacement
Changing the cabin air filter is literally a snap with our handy replacement guide.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
A Guide to Replacing Your Door Mirror Housing
If you parked on a narrow street then you probably need to read this article
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
A-Pillar Trim Replacement
Has your trim seen better days? Learn how to replace it following this guide here!
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Body Side Molding Replacement
"This project will replace that peeling, scratched or cracked side molding"
     Applies to: BMW 325i (2003-2007), BMW 325Xi (2003-2007), BMW 325Ci (2003-2008), BMW 325ti (2003-2006)
Door Cavity Molding Replacement
Worn or missing door cavity molding is a sore site. Use this tech article to learn how to replace it on your BMW E46
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Front Window Regulator Replacement
"Power window problems, time for a new window regulator, or need to replace the glass in your E46? Well it’s all covered in this tech article."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Gear Shift Boot Replacement
Time to freshen up and replace a dry rotted shift boot. This tech article goes over what is involved and walks you through the process.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Hood Grille Replacement
BMWs are known for their kidney grills. E46 models are known for their kidney grill mounting tabs failing. In this tech article we show you to replace the front grilles in your E46.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
How to Remove Your Headlight Lens
Over time headlight covers become yellow and dull. In this tech article we will show you how to remove and replace the headlight lenses on your BMW E46.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
How to Remove Your Headlights
Moisture problems or corroded wiring in your headlights? Learn how to remove and replace the headlights on your BMW E46 with these easy steps.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
How to Replace Your Blower Motor
Noise from your heater when the fan is on? We go over how to replace your blower motor in this tech article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
How to Replace Your Glovebox Compartment Lock
Glove compartment latch problems usually indicate a faulty lock or lock lever. In this tech article we show you how to replace the lock and associated parts.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Rear Bumper Replacement
Bumper cover full of license plate screw marks from people parking too close? Use this tech article to learn how to remove and replace the rear bumper and rear bumper support on your E46 BMW.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Remove and Replace Your Trunk Release Button
E46 trunk release buttons take a lot of abuse. Breaking under constant stress. See how to replace yours in this tech article.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing Your Instrument Cluster
In this project we will remove the instrument cluster from your E46 and see what is repairable inside.
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Removing Your Interior Door Panels
There are quite a few projects that reside behind your door panel. Figure out how to take them off the right way
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Parking Handbrake Cover
"You have to look at this all the time, why not have it be shiny and new"
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
Replacing Your Rear Tail Lights
"Don't get pulled over for this silly reason. Fix this one today,."
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 Miscellaneous:
Identifying BMW E46 Vehicle Options
"Option what? Do I have the sport package in my 325i? In this article, I'll go over the various options your E46 may have and how to interpret them. "
     Applies to: BMW 325i (2001-2005), BMW 325Xi (2001-2005), BMW 325Ci (2001-2006), BMW 325ti (2001-2004)
 BMW 3-Series E90 2006-2009 Tech Articles:
Battery Connection Notes and Replacement
New to working on your car? Not sure where the battery is or how it's connected? Check out this simple article explaining all that and more!
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Changing Your Motor Oil and Filter
Whether you follow BMW's recommended interval or like to change your oil every 3,000 miles. Use this tech article to learn how to do the most common task to do on your E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Condition Based Service Explained
BMW updated the way they determine when your BMW requires service. This helpful article will explain how and when to service as well as how to reset your maintenance due indicator.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Drive Belt
Worn drive belts. Here's some short instructions on this very basic of maintenance tasks.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Engine Air Filter Replacement
New to working on your car? Not sure where the air filter is? Check out this simple article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Engine Splash Shield and Plate Replacement
Need access to the bottom of your engine? You're going to have to remove the engine splash shields first. Here's some short instructions on removing the engine splash shield.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Jacking Up Your BMW
Most common tasks need the car to be jacked up in the air. But where should you place the jack, and what is the safest method of lifting it? It's all answered here
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Cabin Microfilter Replacement
Changing the cabin air filter is literally a snap with our handy replacement guide.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Engine:
Crankcase Breather Valve Replacement
Breather valve starting to give you trouble? Replace it with this guide.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009)
Removing the Engine Cover
Need help removing the engine cover? Find the answers in here!
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Engine Mount Replacement
Engine mounts will wear out over time. If yours are loose or leaking, then that's a clear sign that they need to replaced.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Oil Condition Sensor
Oil level in your dash no longer accurate? Swap that pesky sensor out in no time!
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Oxygen Sensor Replacement
Old, worn out oxygen sensors can cause poor mileage, low power and a variety of fuel injection problems. Learn to replace them today with our article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Spark Plugs and Coils
Spark plugs are an important part of your engine - make sure that they are replaced every 60,000 miles or so, to keep your ignition system running smoothly.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Starter
Now that you've determined that the starter is bad, learn how to replace it without electrocuting yourself by reading this article here.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Valve Cover Seal Replacement
Got a small oil leak coming from the valve cover or spark plug tubes? Here's how to fix the leak.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Alternator Replacement
Charging system warning light on? Dead battery? Use this tech article to replace you faulty alternator.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Cylinder Head Bolt Testing
E90 models have trouble with cylinder head bolts breaking. This tech article explains what to look for and what is involved in repairing the borken head bolts.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Nonresusable Fasteners
BMW E90 engines have many fasteners that cannot be reused. In this tech article I wille xplain why and what to look for when working on your E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Oil Filter Housing Gasket Replacement
If you have oil leak that look slike your oil pan, check to see if the oil filter stand is leaking first. This common leak is tricky to diagnose. Good news, we'll show you how to replace in this tech article
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Fuel Injection:
Camshaft Sensor Replacement
A bad cam sensor can cause reduced engine power and a check engine light. Here's how to change it out in under 10 minutes.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Eccentric Shaft Position Sensor Replacement
This sensor monitors the position of the eccentric camshaft. It can be a trouble area for oil leaks. See what's involved in replacing it with this easy to follow article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009)
Intake Manifold Gasket Replacement
Time to replace your intake manifold gasket? It's easier than you think…Don't believe us? Read on!
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Mass Air Flow Sensor Replacement
Changing the E90 MAF sensor is literally a snap with our handy replacement guide.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Throttle Housing Replacement
Need to remove your throttle housing? We makes it easy with his detailed guide.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Valvetronic Motor Replacement
Do you have an oil leak at the center of your valve cover? It may be the Valvetronic motor gasket. The Valvetronic system on your BMW allows BMW to adjust intake valve lift. This article shows you how to remove and replace it as well as remedy oil leaks from the Valvetronic motor gasket.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009)
VANOS Solenoid Replacement
Rough running engine? Your VANOS actuator may be to blame. Use these steps to replace your VANOS actuator.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Camshaft Sensor Testing
Camshaft position sensor codes? Use this easy to follow tech article to see how to test the sensors before replacing them.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Charcoal Canister Replacing
EVAp fault codes? This tech article shows you how to replace your charcoal canister and DMTL pump.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Crankshaft Sensor Replacement
Crankshaft sensor fault code or an engine that won't start. We'll show you how to replace your crank sensor in this tech article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Engine Temperature Sensor Replacing
This tech article shows you how to replace the coolant temperature and engine oil pressure sensors
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Fuel Injectors Replacement
Dirty or leaking fuel injectors> Fault codes being set? Use this tech article to see how to replace the fuel injectors on your BMW E90
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Fuel Pump Replacement
Use this tech article to see how to test the fuel pump on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Fuel Pump Testing
Need to test your fuel pump? See how in this tech article
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Knock Sensor Replacement
This easy to follow tech article shows you how to test and replace you engine knock sensors
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Water Cooling System:
Coolant Expansion Tank Replacement
These coolant tanks are well known to crack and leak. Replacement is a snap and takes less than 30 minutes.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Cooling Fan Replacement
Is your cooling fan making funny noises? Swap it out with this article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Flushing Your Coolant
Check it out - More than you ever wanted to know about your cooling system, why you need to maintain it regularly, and how to change that pesky coolant.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Radiator Outlet Temperature Sensor Replacement
Coolant leak from your lower radiator hose? It might be the radiator outlet temperature sensor. Replace your radiator outlet temperature sensor quickly with this guide.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Coolant Pump Replacement
Bad or leaking coolant pump? We'll show you how to replace it in this tech article
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Cooling System Leak Test
Leaky cooling system. Use this tech article to perform a leak test on your engine.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Radiator Replacement
Leaky radiator? See how to replace yours in this easy to follow tech article
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Thermostat Replacement
Is you thermostat setting fault codes? Then use this tech article to see how to replace it.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Transmission & Axles:
Replacing Your Flex Disc
These flex discs crack and fail all the time. The good news is that replacement is relatively easy! Check out this article for detailed instructions on this procedure.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Manual Transmission Fluid Flush
One of the easiest tasks to perform on your E90 is to change the transmission fluid, but just in case you need a bit of guidance, be sure to read this article first.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Rear Differential Fluid Replacement
One of the easiest tasks to perform on your BMW E90 is to change the differential oil, but just in case you need a bit of guidance, be sure to read this article first.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Rear Drive Axle Replacement
Torn axle boot? Noisy or vibration in your rear axle? Use this tech article to help you replace your rear axle.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Automatic Trans Fluid Replacing
Time to service your automatic transmission fluid. Use this tech article to see how.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Clutch Replacing
Slipping or grinding gears, clutch not working? This tech article shows you how to replace the clutch on your manual transmission euipped E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Driveshaft Bearing Replacing
Noisy or rough driveshaft? Use this tech article to see how to replace the driveshaft center bearing.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Output Shaft Seal Replacement
Leaky manual transmission? This tech article shows you how to replace the out put shaft seal in easy to follow steps.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Selector Shaft Seal Replacement
Leaky transmission selector shaft? See how to replace it in this tech article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Transfer Case Fluid Replacing
All-wheel drive models should have the transfer case fluid checked and serviced to prolong the life of your transfer case. This tech article shows you how.
     Applies to: 325Xi (2006), 330xi (2006)
Transmission Mount Replacing
Vibration or noise when shifting? This tech article shows you how to replace your transmission mounts.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Brakes:
ABS Sensor Replacement
ABS warning light on? Check your fault codes first using a BMW scan tool. If you have a fault for a wheel speed sensor, use this tech article to learn how to replace quickly and easily.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Brake Rotor Specification Checking
This tech article gives you all the specifications on your brake rotors.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Brake Calipers
If your car won't start, that's not good. If your car won't stop, that's really bad.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Brake Ducts
Learn how to replace your brake duct with this technical article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Brake Pads
Brake pad sensor light on? It might be time to replace those pads. You're in luck, we have the steps laid out for you in this easy to follow tech article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Brake Rotors
Learn how to replace your brake rotors with this article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Adjusting Your Parking Brake
Tired of chasing your car down hill? Adjusting that parking brake using this article has never been easier!
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Parking Brake Shoes Replacement
Parking brake noisy or grinding coming from the rear brakes? Here we describe how to replace your parking brake shoes on an E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Suspension:
Front Control Arm Replacement
Are your front tires wearing uneven? Use this tech article to learn how to inspect and replace the front control arms on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Front Strut Replacement
Learn how to test and replace the front struts and coil springs on your E90 BMW
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Front Wheel Bearing FWD Replacement
Noisy front wheel bearing? Use this article to learn how to replace the front wheel bearing on your front wheel drive BMW E90. A much easier repair than on older 3-Series models.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Rear Ball Joint Replacement
Are your rear tires wearing uneven? Use this tech article to learn how to inspect and replace the rear ball joint on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Rear Spring Coils
Replacement of your rear springs is one of the most common procedures for your E90. See these instructions for complete details on the replacement process.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Rear Shocks
Replacement of your rear shocks is one of the most common procedures for your E90. See these instructions for complete details on the replacement process.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Rear Traction Strut Replacement
Are your rear tires wearing uneven? Use this tech article to learn how to inspect and replace the rear traction strut on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Rear Upper Control Arm Replacement
Are your rear tires wearing uneven? Use this tech article to learn how to inspect and replace the rear control arm on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
How to Replace Your Rear Wheel Carrier Bushing
Time to freshen up your rear suspension? Here we go over how to replace the rear wheel bearing carrier bushing.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
How to Replace Your Stabilizer Links
The rear stabilizer bar end links on BMW E90 models get noisy and even pop apart under pressure from the suspension. We'll show you how to replace them in this tech article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Tie Rod End Replacement
Are your front tires wearing uneven? Use this tech article to learn how to inspect and replace the tie rod ends on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Power Steering Reservoir Replacement
Noisy or leaky power steering pump. See how to replace your power steering pump in this tech article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Power Steering Reservoir Replacing
Leaky power steering hoses or reservoir? This easy to follow tech article shows you how to replace the reservoir and associated hoses.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Tire Pressure Monitoring
Tire pressure warning light on? This tech article explains how the system works and how to reset it.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Body:
Center Console Replacement
Learn how to remove the center console on your BMW E90 with this easy to follow tech article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Dashboard Switch Hazard Headlight Replacement
In this tech article, we show you how to replace all the electronic switches located in the dashboard of your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Door Handle Replacement
Problems with your door handle? Loose or broken, follow these steps to learn how to replace the exterior door handle on your BMW E90
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Door Latch Replacement
Power door lock actuator problem? Door latch sticking? Follow along while we show you how to replace the door latch on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Removing Your Interior Door Panels
There are quite a few projects that reside behind your door panel. Figure out how to take them off the right way
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Removing Your Exhaust System
Here we describe how to remove your exhaust system on an E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009)
Exterior Mirror Replacement
Malfunctioning folding mirror? Dull mirror glass? This tech article will show you how to replace the exterior mirror glass as well as the complete mirror.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Removing Your Front Bumper
In order to access the front end on the E90, you need to remove the front bumper. Here's how you do it.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Front Exterior Light Bulbs Replacement
Is there a warning light on your dashboard telling you a front light is out? Use this tech article to learn how to replace the bulbs and lenses on the front of your BMW E90
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Glove Box Replacement
Need access to the interior relay and fuse panel? Or just want to mount an accessory in your glove box? This tech article will show you how to remove and replace your glove box.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
How to Remove Your Headlights
Over time headlight covers become yellow and dull. In this tech article we will show you how to remove and replace the headlight lenses on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Interior Pillar Trim Replacement
Has your trim seen better days? Learn how to replace it following this guide here!
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Hood Grille Replacement
BMWs are known for their kidney grills. E90 models are known for their kidney grill mounting tabs failing. In this tech article we show you to replace the front grilles in your E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Rear Bumper Replacement
Bumper cover full of license plate screw marks from people parking too close? Use this tech article to learn how to remove and replace the rear bumper and rear bumper support on your E90 BMW.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Rear Muffler Replacement
Is your E90 muffler rusting into oblivion? Maybe you want to install an aftermarket performance muffler. Replace it by following this guide.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Gear Shift Boot Replacement
Time to freshen up and replace a dry rotted shift boot. This tech article goes over what is involved and walks you through the process.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Replacing Your Rear Tail Lights
Don't get pulled over for this silly reason. Fix this one today,.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Wheel Well Liner Replacement
Broken plastic wheel well liner? Or maybe you want easier access to your headlight bulbs. Use this easy to follow tech article on how to remove and replace the wheel well liner on your BMW E90.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Front Window Regulator Replacement
Power window problems, time for a new window regulator, or need to replace the glass in your E90? Well it’s all covered in this tech article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Hood Release Cable Replacement
Hood won't open? This tech article shows you how to replace the hood release cables.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Hood Trunk Strut Replacement
Does your hood or trunk lid close when you want it to stay open? Use this tech article to learn how to replace the suspension struts on your hood or trunk lid.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Seats Replacement
Need to remove the seats in your BMW E90? This article shows you how.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Seat Switch Replacement
Replace your broken seat swicthes with this easy to follow tech article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Steering Wheel Replacement
Want to remove the steering wheel on your BWM E90. This tech article will show you how.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Clutch Switch and Pedal Bushing Replacement
If your clutch switch is faulty, use this tech article to see how to replace it.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Electrical:
Blower Motor Final Stage Replacement
Noisy or malfunctioning blower motor? Learn how to replace your blower motor with this article.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Rear Exterior Lights Replacement
Is there a warning light on your dashboard telling you a rear light is out? Use this tech article to learn how to replace the bulbs and lenses on the rear of your BMW E90
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Brake Light Clutch Switch Replacement
If your brake switch is faulty, use this tech article to see how to replace it.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Radio IHKA Panel Replacement
Use this tech article to see how to replace your radio or IHKA control panel.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Reading Fault Codes
This tech article explains how to check fasult codes on your E90. With the system layout and process changing with newer vehicles, be sure to stay up to date.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Remote Key Slot Replacement
Remote key not staying in the slot? Use this tech article to replace it
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Reverse Light Switch Replacement
Reverse lights not working? This tech article shows you how to replace the reverse light switch on your manual transmission.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Steering Column Switch Replacement
Bad turn signal switch? Use this tech article to replace it.
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
Wiper Component Replacement
Use this tech article to learn how to replace your wiper motor
     Applies to: 325i (2006), 325Xi (2006), 330i (2006), 330xi (2006), 328i (2007-2009), 335i (2007-2009)
 Miscellaneous Other Articles:
Changing the Oil and Filter in Your E60 BMW 5-Series
New to working on your car? Not sure where the air filter is or how to change your oil and filter? Check out this simple article.
     Applies to: BMW 5-Series 530i (E60) (2003-2010)
Replacing the Cabin Air Filter in Your E60 BMW 5-Series
Changing the cabin air filter is literally a snap with our handy replacement guide.
     Applies to: BMW 5-Series 530i (E60) (2003-2010)
Detailing Your Car
Steve Vernon outlines the basics in detailing your car with this step-by-step article.
     Applies to:
Replacing the Front Shocks in Your E60 BMW 5-Series
Replacement of your front shocks is one of the most common procedures for your W201. See Steve's instructions here for complete details on the replacement process.
     Applies to: BMW 5-Series 530i (E60) (2003-2010)
Replacing the Rear Shocks in Your E60 BMW 5-Series
Replacement of your rear shocks is one of the most common procedures for your W201. See Steve's instructions here for complete details on the replacement process.
     Applies to: BMW 5-Series 530i (E60) (2003-2010)
The Infamous Alternator Bracket Oil Leak on the E65 BMW 7-Series
Is your 7-Series leaking some serious motor oil on your driveway? If it's coming from the alternator bracket, Pelican Parts shows you how to replace it in here!
     Applies to:
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