Parts Catalog Accessories Catalog Tech Info Tech Forums
 
Follow Pelican Parts on Facebook Follow Pelican Parts on Twitter Follow Pelican Parts on Instagram Follow Pelican Parts on YouTube Follow Pelican Parts on Pinterest Follow Pelican Parts on Tumblr
  Search our site:    
View Recent Cars  |   Cart  | Project List | Order Status | Help    
 > Technical Articles: / BMW E36 3-Series (1992-1999) >
Installing a Performance Chip in Your DME Computer
 
Bookmark and Share

Pelican Technical Article:

Installing a Performance Chip in Your DME Computer

Time:

1 hour1 hr

Tab:

$250

Talent:

***

Tools:

Phillips screwdriver, flathead screwdriver, set of Torx sockets, static wrist strap, metric wrench set, metric socket set

Applicable Models:

 
BMW E30 3-Series (1984-93)
BMW E36 3-Series (1992-99)

Parts Required:

Performance DME

Performance Gain:

Revving higher and more performance

Complementary Modification:

Install matched camshafts to the performance DME chip
101 Performance Projects for Your BMW 3 Series

This article is one in a series that have been released in conjunction with Wayne's new book, 101 Performance Projects for Your BMW 3 Series. The book contains 272 pages of full color projects detailing everything from performance mods to timing the camshafts. With more than 650+ full-color glossy photos accompanying extensive step-by-step procedures, this book is required reading in any 3 Series owner's collection. The book was released in August 2006, and is available for ordering now. See The Official Book Website for more details.

Figure
Figure 1
Figure
Figure 2
Figure
Figure 3
Figure
Figure 4
Figure
Figure 5
Figure
Figure 6
Figure
Figure 7
Figure
Figure 8
Figure
Figure 9
Figure
Figure 10

The Motronic system (also called the Digital Motor Electronics or DME) is hands down the best overall fuel injection system that you can use when you consider price and performance. Ignition timing and fuel delivery are all controlled by a digital map that is recorded in a removable chip within the main fuel injection (DME) computer. The computer takes input from a variety of sensors that are located on the engine - cylinder head temperature, altitude (ambient air pressure), crank angle, throttle position, exhaust gas oxygen (mixture), ambient air temperature, and mass air flow. The DME chip is programmed from the factory with certain performance characteristics (mostly conservative) so that the engine will react well under a host of varying conditions. Major changes to the engine (including the addition of different camshafts) require an updated chip map to take full advantage of these modifications. Failure to update the Motronic system may actually result in a decrease in performance, as the original system is finely tuned to supply the correct timing and fuel injection values for a stock engine configuration.

Each system is matched directly a specific engine configuration. Because of the proprietary nature of the Motronic system, there isn't a whole lot of changes that you can perform without updating the DME chip. Major changes to the engine (different camshafts, increased displacement) will not work well with the stock Motronic system because the computer chip is designed to deliver the proper amount of fuel and spark only for a particular stock engine. To gain the maximum benefit from engine modifications, you need to either upgrade your DME chip, or install a programmable aftermarket engine management system.

The Motronic system is generally very reliable - its main failure points being the sensors that send data back to the DME computer. Another odd failure point appears to be the DME relay. Corroded contacts appear to cause this mission-critical part to fail somewhat intermittently. I have had many customers claim that their car runs much better right after they have replaced the DME relay. While I don't have any empirical data to back this up, there are a lot of people who will swear by replacing their DME relay once every two years. I do recommend that you carry a spare one, as well as a spare cylinder head temperature sensor, as the failure of either of these can potentially leave you stranded on the side of the road.

If you are running a stock engine with the Motronic injection, the best upgrade you can perform is the installation of an aftermarket DME chip (up through 1995). As stated previously, the factory programmed the original chip to compensate for a wide variety of driving characteristics. These days, you can find chips that will elevate the rev-limiter, advance your timing, and generally run the engine with less conservatism than the factory chip. The only downside to running a more aggressive chip is that sometimes the timing curves are a bit too advanced and may cause detonation on low-octane pump gas (as it is here in California). The E36 BMWs all have a knock sensor that will reduce detonation if the timing is too far advanced.

One downside to installing a performance chip is that you basically need to run premium fuel with the chip installed. Whereas the stock chip is designed and mapped to provide good performance across a wide variety of operating conditions, the performance chips are specifically mapped to assume that you are running high octane gasoline. If your car doesn't have a knock sensor and you run low octane gasoline with a performance chip, then harmful detonation may occur. If you run low octane fuel with a car that has a knock sensor, you will prevent detonation, but in general, you will not fully utilize the performance improvements of the chip.

If you have an OBD-II car (1996 and later), then the computer inside the car requires flash programming instead of the use of a chip. The Shark Injector Engine Software by Jim Conforti is a good choice for anyone seeking a little more performance out of their engine. The software upgrade alters the fuel enrichment maps, cam & ignition timing, raises the factory-set RPM limiter, accelerator enrichment, VANOS control, and optimizes other engine characteristics for increased performance.

Installation of a chip is a very easy process. The DME computer is located on the right side of the engine compartment (Figure 1). First, disconnect the battery. Pull back the rubber foam (Figure 2), and you will see the cover that protects the compartment (Figure 3). Remove the cover (four screws) from the compartment and you should see the DME and its harness. Pull back on the small lever on the harness, and you should be able to disconnect it (Figure 4). The DME is held in place by two clips - it should simply slide out (Figure 5). Place the unit on your workbench, and remove the four Torx screws (Figure 6) that hold the cover on. Then, flip the unit over and pry off the six tabs on the bottom. Don't be too concerned with damaging these tabs, as they aren't super important in holding the case together. With the tabs detached, pull the metal cover off, and you should see the circuit board (Figure 7). The chip is covered by a small piece of white plastic (Figure 8).

At this point, you might want to put on a static wrist strap, or merely touch something that's grounded (like a metal lamp housing or a radiator). In all the years of playing with electronics, I've very rarely had a problem with static electricity, but once and a while something doesn't work properly, and you can only guess as to why not. Carefully pop the chip out of the DME unit (Figure 9) and put the new one in (Figure 10). Make sure that the small divot in the new chip faces the same direction as the old one - it is possible to put it in backwards. Seal up the unit, reinstall it, hook up the battery, and you're done!

My rule of thumb is: it's best to find a chip manufacturer that offers a few different levels of performance, and will guarantee that you will be happy with the system.

Well, there you have it - a lot of work, but if you walk through it step-by-step and follow the photos I have published here for you, you should have no problems. If you would like to see more technical articles like this one, please continue to support Pelican Parts with all your parts needs. If you like what you see here, then please visit our online BMW catalog and help support the collection and creating of new and informative technical articles like this one. Your continued support directly affects the expansion and existence of this site and technical articles like this one. As always, if you have any questions or comments about this helpful article, please drop us a line.

Bookmark and Share
Comments and Suggestions:
cader98 Comments: hello i recently bought a performance chip for my 1990 e30 and i installed it and on the first start up it had the check engine light on and every start up after that it has it on i looked at every thing and everything looks fine the car runs great and pulls hard but it has the check engine light is on is it just an error with the manufacturer and how he did the checksum on the chip or could it be something worse? the car had no check light before i replaced the chip if i could get any advice it would be much appreciated
May 19, 2016
  Followup from the Pelican Staff: I would assume the chip is defective. I have seen this before with performance chips and DMEs. - Nick at Pelican Parts  
m50b20 Comments: Hello! I have a Euro German spec version of the E36 - a 1991. 320i, M50B20 inline six, manual transmission.
A BMW guy installed a chip for the correct ECU code, Bosch ending with 402 if I remember correctly, and the car wouldn't start with it, and it wouldn't start with the stock chip.
What do you think happened? I had to replace the car computer.
Thanks in advance.
March 1, 2016
  Followup from the Pelican Staff: The EWS is probably misaligned. Check for fault codes and try aligning the DME and EWS. - Nick at Pelican Parts  
herb Comments: Hi , I have a 318I E36 1992 convertible. 2 years ago all sensors were replade incl ign coil due stalling under way. Now it will start cold but seems overrich mixture lots of smoke and smell . workshop did read out and no fault codes !?
It will die when getting warm and will only run with a lot of rev3000before stalling again. your help most wanted.
February 13, 2016
  Followup from the Pelican Staff: I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and fuel pressure, volume, quality and engine compression. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
joe Comments: What feeds the sap relay? I have 12v on plug where relay pins 85 & 86 as soon as I turn the ignition switch on should not have voltage until the engine starts? Two relays do not click therefore no power on pin 30 & 87. Both relays test ok on a bench test. Believe what is suppose to feed the relay is faulty can't figure what it might be. Somewhere it points to the DME relay, yet car starts fine. TKS
September 23, 2015
  Followup from the Pelican Staff: What vehicle are you working on? Can't comment without that info. - Nick at Pelican Parts  
92scors325is Comments: I'm getting no signal from my dme to my dme relay pin 85 while I turn key to start the car so as a result I get no power to my fuel pump. Fixed a short from my ac next day this happen hasn't turned on for a week. Could this be a cps issue?
March 29, 2015
  Followup from the Pelican Staff: What vehicle are you working on? - Nick at Pelican Parts  
tiger Comments: What would be the problem when my BMW 316iE36 is hot and expanding
February 18, 2015
  Followup from the Pelican Staff: Overheating? I think that is what you mean. Could be a coolant leak, faulty thermostat or water pump. - Nick at Pelican Parts  
cisco kid Comments: hi am alex gardiner from nassau np bahamas am not that familiar with the bmw but am a mechanic for 42yrs i work on a few old ones but nothing major,i also paint cars but i have a 2004 320i a customer want me to check it cuts off now and again and i wanted to find the obd port its a rhd and by reading some of the comments and answers i think i can solve her problem so thank you and i will come back when i would have sort it out.
January 31, 2015
  Followup from the Pelican Staff: Let us know how it works out. - Nick at Pelican Parts  
MoJo Comments: Thanks, Nick.

I've done the emissions twice so far. The first time I did nothing to the car before taking it in besides getting it hot. Readings below:

Readings Limit
HC GPM 3.5795 1.5000
CO GPM 92.8528 15.000
CO2 GPM 342.6430 NA
NOx GPM 0.6848 3.5000

Took it back a 2nd time after changing oil, new gas, air filter, new coils, spark plugs. Forgot to mention the car sat for 9 months. After all the changes the idle problem was still there due to cracked mass air intake boot. Readings below:

Readings Limits
HC GPM 2.4794 1.5000
CO GPM 70.1340 15.000
CO2 GPM 343.6421 NA
NOx GPM 0.2150 3.500

I've since replaced the mass air intake boot. The idle issue is gone, jerky throttle response continues, and I haven't taken it back to emissions yet. Thanks
GPM = Grams Per Mile
there is no 5th gas reading that I see.
January 28, 2015
  Followup from the Pelican Staff: It looks like you have an engine misfire. It hard to be exact witht he oxygen numbers, they help me determine where the extra fuel is coming from.

HC is always caused by a misfire, so the problem may lie there. o2 numbers would help there too. I would check the engine for a misfire to begin. It may be slight and not setting a fault code. I would check spark, fuel and compression on all cylinders. - Nick at Pelican Parts
 
MoJo Comments: I have a 1992 BMW 325i which is currently failing emissions due to high HC & very high CO. It has a check engine light on with code 1231 Battery voltage/Main DME relay. It was also misfiring, so I replaced the coils and the misfire has not returned. However, the car NOW has a jerky throttle response problem, i.e it is difficult to keep the car going 45mph or any speed smoothly. It was also idling funny, where it would hunt between 900-1400 rpm when engine was hot. I noticed that the air mass meter boot was badly cracked. I replace it and this fixed the idling problem but the jerky throttle response is still present. Any ideas? Thanks
January 27, 2015
  Followup from the Pelican Staff: What are all 5 gas readings?

HC is caused by misfire. CO by mixtrure. Once I know all the readings in PPM, %, etc, I can comment. - Nick at Pelican Parts
 
Rusty Comments: I have a 99 323i convertible. Dealer says DME is bad. I found a wrecked 99 323i same as mine. How do I make the DME from the donor car work in mine?
January 24, 2015
  Followup from the Pelican Staff: You can, the VINs won't match. - Nick at Pelican Parts  
lorney Comments: need help with my car its a BMW 325 i 1991 mother left hand drive
January 7, 2015
  Followup from the Pelican Staff: WHats the problem? - Nick at Pelican Parts  
SuperSlow Comments: Nick, it was the DME i got one from a local wrecking yard. When you put a used DME in, do you have to get it reprogrammed for your car?
December 23, 2014
  Followup from the Pelican Staff: usually yes. As it may not match your vehicle's equipment. - Nick at Pelican Parts  
SuperSlow Comments: New MAF after problem occurred.
December 23, 2014
  Followup from the Pelican Staff: Ok, got it. - Nick at Pelican Parts  
SuperSlow Comments: I have a 92 325i m50. My car was running great. I just rotated my tire. Replaced my O2 sensor first disconnecting the negative terminal and replacing it after the job was done. I drove all day, the check engine came back on. I did the stomp test and it came back O2 sensor. So I pulledd the batt neg cable again. Waiting about an hour and hooked it up again. Now it won't start. Fires up and then dies. After it dies the rpm needle jumps around a couple times and then finally rests. I can feather the peddle to keep it running roughly and can almost get above a grand. I did notice that the fine wire in my MAF sensor was broken so I got a new one. DME? I did not see any water or moisture in the DME's home.
December 19, 2014
  Followup from the Pelican Staff: New maf before or after problem? - Nick at Pelican Parts  
blaumax Comments: I have found plenty of performance chips for the 6 cylinders. Do you know of any for the M44 in my 1996 Z3? No, I don't want a 6. I like the balance of the 4 cylinder, just looking for a chip, mainly to get rid of the speed limiter. Whatever else comes with getting rid of the speed limiter will be a bonus.
November 30, 2014
  Followup from the Pelican Staff: Not sure there is one available. Give our parts specialists a call at 1-888-280-7799. They can help you find the right part.
- Nick at Pelican Parts
 
Jase1803 Comments: I have a 99 323i iv had over 5 years, every summer it runs rough an shuts down in temps over 38*. Temp gauge stays normal an left turned off for 10-20 minutes it will start an get me home most times, today it got to 35 an after running rough it shut down once again, 5 minutes off it started again an got me home, any ideas? Sure it's gotta be a sensor or something, it's the same thing every summer
November 11, 2014
  Followup from the Pelican Staff: Could be a bad crank sensor. I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and fuel pressure, volume and quality. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
LayiE39 Comments: Hello there. The ECU compartment in my E39 touring, M52b25 got flooded. Now the engine cuts off after running fine for about 30 minutes and won't start until the battery is disconnected and reconnected. Can you figure out what is wrong? Thanks so much.
November 2, 2014
  Followup from the Pelican Staff: I would guess that the DME (engine control module) is faulty. Especially if it got wet. - Nick at Pelican Parts  
jorgefm3 Comments: Hello, i have a 1992 325i. It is not starting, plugged the computer to run a diagnosis and two messages came up. 1. CPS failure, 2. no voltage to DME.
Replaced CPS and still getting message number 2.
I tested with voltmeter lines going to DME and have 13.2V, earth looks fine too.
Tested voltage on injector line and have voltage but not the intermittent one when cranking.
I suspect DME failure, would you advise opening DME? Best regards
My DME ends on 402
George
September 14, 2014
  Followup from the Pelican Staff: No, the DME can't be repaired unless by a professional service. If you suspect it is faulty, replace it. - Nick at Pelican Parts  
jawan Comments: hi ! i have a bmw e3 316 m40 engine and change engine whit m44 318ti 1997 . all connection is ok but not engine turn on ! starting ok but not fuel Shaking ! what i do ?????
August 23, 2014
  Followup from the Pelican Staff: I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and pressure fuel, volume and quality. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
jesse Comments: BMW 320i

Is it possible my cables for igniton coils are not good

- im not getting a spark to my ignition coil cylinder 1

-changed the coils, brand new one, brand new spark plugs

- still no spark just in cylinder 1?

-weird

Thanks
August 5, 2014
  Followup from the Pelican Staff: Could be the wiring or the DME. You will have to test the coil trigger at the DME to determine. Are there any fault codes? - Nick at Pelican Parts  
Jess Comments: Hello,

I have a bmw 320i 1995.
Few weeks ago i went into car wash, car gurgled when i got out than was fine. went to car wash again , everything was fine. next day go to drive my car and it is gurgling constantly and doesnt have much power

-i checked the sparkplugs all pretty old and sh*t and 4 out of the 6 cylinders and sparkplugs had oil in it brought out spark plugs that were covered

- looked at the valve seal around the cover box, very old and plastic breaking apart.

-so, i ordered new seal, 6 new spark plugs and also tried to check if the DME chip box was flooded as sometimes i notice water in my passenger floor mat its a right hand drive BMW

-took out the DME, very dry inside the box just few old leaves and bugs inside, pulled out the chip and have it inside just to dry not sure if i wanna take off the cover with the tourque screws

Anyways, i also took off the cold air intake i covered it fyi when i was in car wash so nothing would be sucked in there and there was alot of grime, sludge inside so going to clean that with carb cleaner when i get everything else installed

-any other ideas on why my car would be gurgling like this? I am a student and really can't afford to take this to a shop so i did prettty good bymyself taking apart my engine !


Thank you sir

Any ideas/pointers will be appreciated

your site helped me take apart everything by the way!
July 28, 2014
  Followup from the Pelican Staff: I would check if the DME is getting wet. If water is leaking on the floor, the drains for the cowl could be plugged. Run water overt he area, simulate the car wash and see if the problem arises. - Nick at Pelican Parts  
durell Comments: I don't understand your response. Nothing is missing. Oh well, I'll search elsewhere.
July 18, 2014
  Followup from the Pelican Staff: If the engine doesn't start, something has to be missing. Re-read my original reply. - Nick at Pelican Parts  
durell Comments: 1995 318is coup. My car drives great and starts fine most times. However, if I try starting the car by holding the key to long when cranking the car, it turns over, but doesn't start. Then, I'll try starting the car normally, but it still won't start. I disconnected and reconnected the battery for a moment and the car started with no issues. Why doesn't the car start if I crank up the car and hold the key to long. Most vehicles have a funny scratch sound, but still starts.
July 17, 2014
  Followup from the Pelican Staff: I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and pressure fuel, volume and quality. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
Bmw325turbogt35 Comments: Hello. I have a e36 1992 325 turbo. I buy a chip and plug it in the Ecu and the fuel injector not open, and i have not fire on my spark. I change the ecu with same number but the same problem be there.
July 14, 2014
  Followup from the Pelican Staff: If the problem started with the new DME, I would bet it is faulty. Try a different one. - Nick at Pelican Parts  
durell Comments: I have a 1995 318is coup. My car starts fine for a few weeks and then it won't start one day. One time, I went to the gas station and it wouldn't start. To get it to run again, I have to give it gas and then quickly shift the car in gear drive or reverse to keep it running. Afterwards, it will stay running and everything is fine. I also have a rough idle. So far, I replaced the oxygen sensor, pcv, fuel filter, knock sensor, hoses, and the gaskets to the exhaust manifold. After the repairs to the exhaust manifold, the car didn't start one morning, so I disconnected and reconnected the battery terminal after 10 minutes or so, and the car started with no problems. I don't feel like I resolved the problem of intermittent starts. Why would it start after messing with the battery.
July 9, 2014
  Followup from the Pelican Staff: COuld be a faulty fuel pump. I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and pressure fuel, volume and quality. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
perucho27 Comments: i have 1994 325i convertible won't start and not get power to the fuel pump or spark to the plugs i have chance the spark plugs ,crankshaft,fuel pump ,edu,valve cover gasket and still not get start
i have a red 413 ecu so i buy another same model ,but still not start ,the fuel pump not receive a power i have chance also the relay,fuel ,and main relay please help i have my car seat fro 2 weeks already
do i need to reset the ecu ,i just don't want to take to the dealer
please help my fuel pump will not receive power new
it mark the haft tank but thats all
June 25, 2014
  Followup from the Pelican Staff: Do the fuel injectors have power when you try to crank the engine?

Try resetting the DME adaptations. I have seen these DMEs lock up in the past, causing a similar issue. - Nick at Pelican Parts
 
bori318is Comments: Hi pelican. Having a issues with my 95 bmw 318is obd1 and ews2. What happened is the original computer quit working posibly because of flooding. When I opened it up there was powdery residue on the circuit board. Well I ordered a new silver label 282 dme wich is an exact match as the stock. As expected it would not start but does crank and the check engine light would not iluminate prior to the swap but now it does. My question is what are my options with the new silver label? Will a ews delete chip work or perhaps an older model dme's red label chip in the silver label dme?
June 9, 2014
  Followup from the Pelican Staff: You'll want to use the same DME part number and type that came out. Then you will have to align the EWS and code the DME. - Nick at Pelican Parts  
kirkl38 Comments: I receBought the car used, test drove for 10 minutes, drove great
Drove the car about 20 miles home, did great
Stopped at a store on the way home, when the car was at idle then, it started idling really rough, and eventually died and would not start back up, so I towed it home, and has not started since. It cranks smooth for a few cranks, and sounds like it's about to start, then sputters out, then it sounds somewhat strained while cranking for a bit, then gets smooth again, almost like the timing is going in and out. I did check spark once, and I saw spark, but the spark looked somewhat large, like a big flash, not what I've seen in the past.

Since then I have replaced:
Spark Plugs
Spark Plug wires
Replace some plastic valve toward the back of the intake, don't recall what is was called
Replaced crankshaft sensor
Cleaned cam sensor
Cleaned ICV
Replaced in-line fuel filter
Checked vacuum lines, replaced a couple

Next up?? maybe
replace ignition coil
ECU?
May 14, 2014
  Followup from the Pelican Staff: Replacing parts without testing is costly. I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and pressure fuel, volume and quality. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
K-Gunna Comments: I have a 1992 325is with a 402 DME. This DME has 2 circuit boards and it's basically sandwhiched, both connected by a ribbon wiring. Now my problem is for the circuit board on top, how do you open it up to reveal the internals? I'm trying to install a chip and it seems difficult as I don't want to be too rough with it.
April 9, 2014
  Followup from the Pelican Staff: I don't know. I do not work with the internal components of DMEs.

I opened a post in our forums. A Pelican community member may be able to answer your question.
- Nick at Pelican Parts
 
Blueski Comments: Quick question, I have a 95 325is and I wanted to know could I swap the 95 M3 stock chip to my stock 325is motor? Just wanted to know if the mapping of the little more aggressive chip out the M3 will work on my car?
April 6, 2014
  Followup from the Pelican Staff: I do not think so. - Nick at Pelican Parts  
tech kiruba Comments: how repleace chip e90 320d.flood ecm board
February 21, 2014
  Followup from the Pelican Staff: Your DME requires flash programming. The chip cannot be replaced. - Nick at Pelican Parts  
Hank Comments: What is the EWS? Is it a component inside the DME or is it the key that comes with the vehicle?
February 6, 2014
  Followup from the Pelican Staff: It is the theft or drive-away protection system for the vehicle. Depending on the model, it can a separate module, or built into one. - Nick at Pelican Parts  
ash Comments: I have a 2000 bmw 318i. Had the engine changed but the mechanic blew the computer box somehow. I bought a used one.is there any way to use it on my car.is it possible to swap the memory ic from my old box to the new box.will it work?
January 22, 2014
  Followup from the Pelican Staff: I do not think so. You cannot change the VIN in a used DME. I would check with BMW parts to confirm, but you will need a new box. - Nick at Pelican Parts  
ricks99 Comments: Have a 2004 BMW 325i. Been having lots of cold-weather starting issues. Dealer has diagnosed bad ECM and wants $1700 to replaces & reprogram. I've seen used for 1/2 that price, but dealer said that I cannot buy a used one because they cannot be reprogrammed for my car's VIN. Is that correct?
January 14, 2014
  Followup from the Pelican Staff: You cannot replace your unit with a used DME. You will need the new one. - Nick at Pelican Parts  
jonm Comments: Hi, my car is running too rich because I think of my performance chip. Can I buy an ecu on ebay and pull the stock chip out of it and put it into my edu? Or could I just use that entire ecu? I just don't want to have to get it coded which I've heard I may have to. My car is a 1992 325is. Thanks!
January 7, 2014
  Followup from the Pelican Staff: If you get a DME with the same part number, it should be plug and play. However, you never know with used modules and it may require coding. - Nick at Pelican Parts  
pete Comments: how to remove the plastic ignition coil cover on a bmw series 3 318i engine code E46 reg 03. I cannot locate teh fixing screws.
Kind regards
pete
January 1, 2014
  Followup from the Pelican Staff: Remove the two plastic caps, then remove the cover. See this tech article:

http://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/09-ENGINE-Removing_the_Engine_Cover/09-ENGINE-Removing_the_Engine_Cover.htm - Nick at Pelican Parts
 
eurochick Comments: I have 2 Bavarian chips in my 93 BMW 325i e36 m50 one high rev and other for motor, need to replace with stock ones how do I know what chips are what if I'm pulling chips from another beamer not buying brand new. I bought my car with these did not install myself, how do I differentiate what is what once I pull my ecu. Also been told I have 2 computers one for my tranny and ecm for motor? First I've heard of this is this true?
December 29, 2013
  Followup from the Pelican Staff: Use the photos in this article to locate the removable chips. http://www.pelicanparts.com/BMW/techarticles/Mult_Chip_Install/Mult_Chip_Install.htm

Not all of them are removable.
- Nick at Pelican Parts
 
Sanjay Comments: HI I HAVE A 1994 318IA 16V MOTOR E36 I FITTED ANOTHER HEAD ON. At first it failed to start but after changing the Plug wires it started but does not want to idle,erratic revs and at times wont rev up. i had the number one piston up when assembling the head and fitted the cam shafts according to TDC with both number one lobes facing each other and rear cam shafts on level. what could be the problem. i can not even locate the O2 censors.
December 12, 2013
  Followup from the Pelican Staff: Did you use a camshaft alignment tool and crankshaft locking tools? if not, the timing could be off. i would start there. - Nick at Pelican Parts  
johan Comments: I ask for help my bmw e46 318i 2001 just cut out now the mechanic say rhe main computer on top of fuse box in engine comp a silver cover box is burn out I bought a new one and now hew say it must be program to eng and car specs agaie only the last number on box is diff mine is 949 and new bob is 943 can you help me on that the car turn no spark not start
November 21, 2013
  Followup from the Pelican Staff: You should not use this computer. As of 2000 BMW has the VIN in each computer and it cannot be rewritten. You will never be able to align the EWS to the DME like this, unless you know someone who can hack the computer and change the VIN. Program a new computer and align the theft is the only way. - Kerry at Pelican Parts  
Kingrichard Comments: Hi, My 1999 E36 328IC was giving me cam position errors. I swapped the ECU with another unit with the same software on the outside of the unit but the new unit will not start my car. Also, the ECUs do not have a removable chip. How am I to reprogram this new unit?
October 24, 2013
  Followup from the Pelican Staff: The DME and the EWS are coded together, the car will never start with that DME in it. It can't be recoded to your car. If you think the DME is at fault you are going to have to buy a new one.
- Nick at Pelican Parts
 
dchair Comments: hi my Bmw e36 325i m50 refuses to start, it appears that fuel doesnt get to the spark plugs, and nozzles wont feed fuel, the engine has spark/ shock on the coils. pls help
October 18, 2013
  Followup from the Pelican Staff: Check fro injector pulse, and also check teh fuel pressure and volume.
- Nick at Pelican Parts
 
BMW 318is Comments: if the DME was shot then none of the sensors would be clicking or trying to crank over would they? and the puff of smoke was around the throttle cables ontop the motor and the DME is in a compartment
September 20, 2013
  Followup from the Pelican Staff: If you have no fuel or spark, I would start by finding out why, is the main relay getting powered on, are there blown fuses, and so on, I would do this with the factory chip installed.
- Nick at Pelican Parts
 
BMW 318is Comments: i got a 1995 BMW 318is 2 dr auto tranny... i recently bought a ecu stage 1 chip off ebay and put it in the car did all the steps in the posting here but when i reconnect the battery the hazzard lights turn on... then when i shut them off i gotta push the button 2 times and put the key in the on position there was alot of clicking noises going through the throttle body and mafs but when it stopped there was a small puff of white smoke... car been sitting ever since not getting spark to the spark plugs and the fuel pump is shut off...any advice would be great full... some said would have to be reflashed cuz of the anti-theft system in it
September 19, 2013
  Followup from the Pelican Staff: Where did the smoke come from, you could have fried the DME.. Start by installing the factory chip and then diagnose the no start condition, spark, injector pulse on so on. Trace the problem back and go from there.
- Nick at Pelican Parts
 
Shawn Comments: I have a 1992 BMW 325is and would like to chip it with a dinan performance chip. Would everything be as simple as it is in these diagrams, and would I need to purchase anything else besides just the DINAN chip to ensure that my car has no problems?
August 23, 2013
  Followup from the Pelican Staff: Follow the instruction and you should be fine, - Nick at Pelican Parts  
gerry Comments: hi pelican i have 1992 325i which is giving me a lot od idle problems,replace maf,replaced idle sensor control but still idle and low battery voltage reading problem,any suggestion
August 19, 2013
  Followup from the Pelican Staff: Start with the basics, fuel pressure and volume, vacuum leaks, ignition system, fault codes, also check you alternator and your battery and the battery cable connections, low system voltage can cause a car to not run right.
- Nick at Pelican Parts
 
Peter Pumkin Eater Comments: Hi, I drive an e46 318ti N42. the Car exploded white smoke from the exhaust when i tried starting, and has not started ever since. Took it to the Mechanic who told me that the Mother board on the computer was fried, resulting in the incorrect distribution of water, air and petrol.All clocks, the Radio and the Lights worked fine, but later found that the Water in the expansion tank was finished, resulting in the Coolant light going on on the instrument panel. Is this a possible diagnosis? I have doubts because the same Mechanic carried out work for my Cylinder Head, Engine Block and Cats, so I am thinking he is hiding the truth because he messed up.
July 1, 2013
  Followup from the Pelican Staff: White smoke sounds like a coolant leak into the engine.

If you don't trust his diagnosis, have a second mechanic give you an opinion on the issue. - Nick at Pelican Parts
 
BigVig Comments: Hi I have a 1988 750il just put a new chip in the ECU. do I have to do anything to allow the car to reprogram or just reconect the battey and go?
June 29, 2013
  Followup from the Pelican Staff: If you are referring to a performance chip, it should be plug and play. The manufacturer of the chip can ebtter answer your question. - Nick at Pelican Parts  
Norton Comments: Hi Wayne!
I hv a bmw 318i E46, it has a rough idling, there is a clicking sound under the tranny which pulls the shift lock. What could the main cause for this.
June 16, 2013
  Followup from the Pelican Staff: The rough idle could be due to a vacuum leak or cylinder misfire. I don't understand your comment about the click. - Nick at Pelican Parts  
steve Comments: Hi, i bought a DME in ebay same part numbers 0 261 203 660 and 1 432 521. but still the car wont start. my car is 316i e36 1997.

I'm assuming its the EWS it is not aligned with the new DME.

if i swap the old chip to the DME that i bought in ebay, will it work?
June 14, 2013
  Followup from the Pelican Staff: Not sure if that will work with your model. It is worth a try, if not you know the EWS will have the be aligned. - Nick at Pelican Parts  
r bmw Comments: where do i find the fuel brain in a 1995 525i build date 11/95 olympic games model
June 1, 2013
  Followup from the Pelican Staff: The DME is located in the right side E-box, under the hood. - Nick at Pelican Parts  
Frank328 Comments: I am very interested in the shark injector, i am from holland and here we drive on ron 95 and ron 98, if i read well the shark is only available for lower octane gas, i would like to know if there are other solutions like the shark for euro cars? I drive a '98 e36 328 m52b28, thanks in advance
May 10, 2013
  Followup from the Pelican Staff: Give our parts specialists a call at 1-888-280-7799. They can help you find the right part. - Nick at Pelican Parts  
Karen Comments: I have a 2000 Z3 Roadster 2.5...the car runs fine, but when I drive it somewhere, park it. I then go to start it up and as I attempt to pull off, it just dies. No sputtering, nothing. After a couple times of doing that, I can finally take off. I cleaned the air flow sensor, but that didn't work. I have it at the mechanics shop to check out, but since it doesn't do that all the time, they can't find the problem. Also, had some body work done to it and everything worked fine before they worked on it, but now the alarm doesn't work and the body shop doesn't know what they did.
March 7, 2013
  Followup from the Pelican Staff: Intermittent problems are tough. I suggest trying to duplicate the problem while monitoring spark and injector pulse. Once you know what you are missing you can get better direction toward the cause. - Nick at Pelican Parts  
Defrance Comments: The engine doesn't respond well every morning it seems as the accelerator no work when I try to pump on it no sound till it switch off itself and I restart again and when I move a little debitmeter it start again but with a very bad sound.
I need help
February 26, 2013
  Followup from the Pelican Staff: Give me a little more info about your vehicle. Once it's warm, does it run OK? - Nick at Pelican Parts  
FRANCIS Comments: THIS IS VERY INTERESTING FOR US WHO LIKE BMW TECHNOLOGY
February 26, 2013
  Followup from the Pelican Staff: Thanks for the feedback. - Nick at Pelican Parts  
John Comments: I have a 1997 328i sedan and live in Ohio serial #AV47934,,where is the DME/Relay located,,,also do you sell replacement headlight lens covers,,there plastic and have faded,,they are glued on,how do you remove them.or do you sell the glass Headlight assembly..or a new plastic one,or can u simply remove the old plastic,and replace with new..
January 17, 2013
  Followup from the Pelican Staff: The DME relay is in the E-bon in the right rear of engine compartment. It is in the back row, next to the fuel pump relay.

For the headlight covers, give our parts specialists a call at 1-888-280-7799. They can help you find the right part. - Nick at Pelican Parts
 
rasheed Comments: what is the deference between460406995 to 460406994 any edc deff? and way ecu not reading for 525tds e 34 1994 ???//or i can i try the 460406994 pump ?????
October 3, 2012
  Followup from the Pelican Staff: I think you need to speak to one of our parts specialist at 888 280 7799 - Kerry at Pelican Parts  
rupert Comments: i have 93 318is MT which the original DME number is 0261203281. I found that there is not after market chip for 281, but for 282. According to the Bosch list, it seems that 281 and 282 DME are same. Am I right? Can i just use the chip for 282??? Please advice, thanks.
September 23, 2012
  Followup from the Pelican Staff: Call one of our parts specialist and they will help you select the right chip you need. - Kerry at Pelican Parts  
Ed Comments: I have a 2002 BMW 525I, it crank but won't turn over. I changed both camshaft and crankshaft sensors. Still it won't turn over. Any suggestions?
September 23, 2012
  Followup from the Pelican Staff: You are going to have to check for spark, injector pulse and fuel pressure for me to help you answer that question. - Kerry at Pelican Parts  
325i guy Comments: I am trying to see what chip is in my DME. Problem is, this DME doesn't look like the one in my 1995 M3, it has a second board. Presumably the chip is under this second board, how do I get to it?
September 14, 2012
  Followup from the Pelican Staff: There are usually mounting screws to remove and the top board flips over attached with a ribbon cable - Kerry at Pelican Parts  
Chris Comments: I have a 98 328i which had been setting for several months, I started it and was letting idle for about 30 minutes, it overheated. I shut it off and installed a thermostat, now it won't start unless I spray starting fluid in air cleaner, there is no power to the fuel pump fuse. I run a hot wire directly to the fuse and still no fuel pressure.
September 2, 2012
  Followup from the Pelican Staff: Make sure you have fuel in the tank and while hot wired check for voltage at the back of the pump. - Kerry at Pelican Parts  
dean Comments: I unplugged the dme on bmw e46 318i 2000 model as one of the wires ie the brown with white stripe had a loose contact on dme.this wire also goes to dme relay.wen I fixed the loose wire and replugged dme.the car won't start and the heatgauge goes right up even on ignition without cranking.wat could be wrong.pls help
August 28, 2012
  Followup from the Pelican Staff: Try unplugging the coolant temperature sensor and see if the gauge reacts the same. Also try jumping past the DME relay and see if it starts - Kerry at Pelican Parts  
owl Comments: car wont start right away,diagnostic said dme,done everything fix same problem need help,havent replace dme what 2 do
August 12, 2012
  Followup from the Pelican Staff: I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and pressure fuel, volume and quality. Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
RSHEED Comments: SIR I HAVE BMW 525TDS 1994 DIESEL I HAVE CHANGE THE PUMP 460406995 TO 460406994.OFTER CHANGE PUMP WHEN START THE CRANKING BUT DIESEL NOT COMING TO THE DISTRIBUTOR OR NOZZLE IN NOW WHAT I HAVE TO DO???
July 18, 2012
  Followup from the Pelican Staff: Check if the fuel cut solenoid is blocking fuel flow to pump. - Nick at Pelican Parts  
Laxmi Comments: Dear sir
i have E 36 , I lost E 36 DME ,Brought Brand New DME From
BMW Dealer and not able to program then car , there is any solution too reprogram then DME ?
May 27, 2012
  Followup from the Pelican Staff: The dealer should be able to program. If they said they can't, do you recall why? Wrong part 3? - Nick at Pelican Parts  
BMW2002Ben Comments: I have a 2002 BMW 325i. It just shuts off while driving at intermittent times. Sometimes after running 5 mins, sometimes an hour or more, sometimes not for a few days at a time. You let the car sit and it will usually start back up after awhile, if not then I get yet another tow bill. I have replaced the fuel pump twice and the fuel pump relay. Been told to replace control module, injectors, pressure regulator...etc. The computer codes show up as "low fuel pressure and misfire" on all cylinders. Im at a loss and tired of just throwing money at this car. Any help would be appreciated.
April 25, 2012
  Followup from the Pelican Staff: When it doesn't start can you start it with starter fluid? Maybe you have a bad crank sensor - Kerry at Pelican Parts  
PeterLech Comments: I have a 525i May 1994 build date with an increasing severe pinging problem from 2K to 3K rpm around town, despite running on 91 octane gas. There are no fault codes, and other than the ping, the car runs fine. It seems to be temperature and humidity dependent, and gets worse after a hot soak. The car never overheats.

An electrical engineer friend suggested that the brain has failed due to age, perhaps from faulty capacitors. Wouldn't buying a used replacement have the same problems? A new one is really prohibitive for this age car.
April 12, 2012
  Followup from the Pelican Staff: Try using premium gas for awhile. Also check the knock sensors. Also try cleaning/replacing your MAF - Kerry at Pelican Parts  
fayor Comments: i changed my engine from 1.8,m42,e36 to 1.6 but have little problem with engine performance being too poor.pls what do i need to do to balance the configuration of my engine.
March 27, 2012
  Followup from the Pelican Staff: You probably have to change the computer to match the 1.6liter computer. - Kerry at Pelican Parts  
Mrwalters Comments: I am impressed with your knowledge. I am in dire need for my BMW problem to be diagnosed. I have a 2000 e46. The car went into limp mode and the codes revealed throttle position sensor. I went to my Indy mechanic and he replaced the entire throttle body with a new one twice. The problem keeps coming back. Each time it does I get asc, eml, and tranny limp mode. After enough times turning off the car the problems temporarily go away. I bought carsoft and the PAC connector to read/reset codes. Is there a common problem such as bad wire, loose connection, etc that causes this. It's driving me nuts! I appreciate any advice you can give.
February 26, 2012
  Followup from the Pelican Staff: The DME compares the throttle position sensor in the throttle with the pedal position sensor. Maybe the problem is in the wiring between the throttle and the DME or the pedal positon sensor - Kerry at Pelican Parts  
ECB Big Dog Comments: I have a 94 BMW 325i and went through a car wash recently and my car shut off on me And won't start right back up. I finally got it started after 2hours, next day I tried starting and wouldn't start right up but got it to turn over. I changed out the fuel pump still the ignition whins and starts every so often but then shuts off! Is this my DME?
January 2, 2012
  Followup from the Pelican Staff: Unfortunately, this is pretty common with your car. There is a BMW tech bulletin out about how to add more drains so that the DME doesn't get flooded. I talk about this more in my tech article here: http://www.pelicanparts.com/bmw/techarticles/E36-DME-Repair/E36-DME-Repair.htm - Wayne at Pelican Parts  
jlebong Comments: I have a 92 325i sedan and when I followed this guide I noticed that my DME doesn't look like what is in the pictures. It has a second motherboard sitting on top of the one you have described/photographed and I can't figuer out how to loosen it so that I can get underneath it. Is there any guides/pictuers of a DME such as mine with instructions on how to get the second motherboard loose so I could continue with the chip install?
October 18, 2011
  Followup from the Pelican Staff: The chip install may not apply to this computer system - Kerry at Pelican Parts  
Jin Comments: Hi. I recently purchased a used 94 325i sedan and the engine runs rough so checked and found cylinder 4 has no spark even after swapping in a new ignition coil. Opened DME compartment and the part number on the DME is 0 986 262 338. Recent posts seem to point to the 413 as the replacement part but at this point I'm confused altogether. Is that the stock DME and could I in fact use a 413 as a replacement part? Please help.
September 4, 2011
  Followup from the Pelican Staff: Contact one of our parts specialist at 888 280 7799 and they should be able to help you - Kerry at Pelican Parts  
sadiq Comments: hi
i want to start car not security key i loss the key
August 24, 2011
  Followup from the Pelican Staff: You'll need the correctly coded key to start the vehicle. No way to bypass the theft system. - Nick at Pelican Parts  
sadiq Comments: Hi
i loss the key i not want to buy key
i want to start the car 1997 30i bv04233
August 24, 2011
  Followup from the Pelican Staff: You'll need the correctly coded key to start the vehicle. No way to bypass the theft system. - Nick at Pelican Parts  
sammy Comments: Hello ..i have a problem with my 1996 328is the IVC constantly buzzing and its darining my battery over night. i already replaced the Relay. can someone help Please .Thnx
June 12, 2011
  Followup from the Pelican Staff: Replace the door switch or the key in the ignition switch and check the wiring to and from the relay - Kerry at Pelican Parts  
Ed Comments: Can you use a shark injector to reflash a swapped dme? If not, what is needed to do a diy reflash?
June 1, 2011
  Followup from the Pelican Staff: No, it only does performance updates. - Nick at Pelican Parts  
tg1994 Comments: my engine turn but no spark,it is 1994 525i, canit be cam sensor or crank sensor , I change thecrank sensor but still no start
May 14, 2011
  Followup from the Pelican Staff: Do you have injector pulse and fuel pressure? Do you have power to the coils? Do you have a trigger signal to the coils? - Kerry at Pelican Parts  
TEW Comments: Help !! I have a 93 318is that give scan code code 37 - ECU power supply low. How do I fix as I believe it is effecting my transmission performance because my torque converter is not functioning and my dash lights up like a Christmas tree on occasion then loses all power
February 4, 2011
  Followup from the Pelican Staff: Sounds like it's a voltage bus problem, not necessarily an ECU problem. I would take a look at your battery, and probably have it tested or replace it. Then I would take a look at your alternator to make sure it's charging the system properly (that is, if a new battery doesn't fix the problem). Also, make sure that your ground straps are all properly fastened (you can check the resistance from the gauges to the negative terminal of the battery - should be close to zero). If the car has some poor grounds, it will also potentially give the low voltage messages you are seeing. - Wayne at Pelican Parts  
trujrom40 Comments: I have a 1998 328i, just put in a new clutch systems, what a pain. I wanted to test drive my car to check clutch to make sure everything was fine, but had a problem getting car to start, it would almost start, but then would die. I checked starter, did a fuel pressure test every thing checked out okay, but was still puzzled what could be wrong with the systems, so i checked fault codes next, this is what came up, P1250, P0441 and P0442. what do they mean and does any of these codes have anything to do with the reason why my car will not start.
January 22, 2011
  Followup from the Pelican Staff: These codes typically are related to the gas line purge system which is not really located anywhere near your clutch components. Still a line may have been tweaked when you were replacing your clutch. Check out this link here for some more information on this code: http://www.obd-codes.com/p0441 - Wayne at Pelican Parts  
bmrjames Comments: thanks for getting back to me. I did some reseach and concluded the same. since mine is a 1994 i did just that, swapped the chip and the car starts right up, fot it running last week. Thanks for all of he input.
bmrjames
November 22, 2010
  Followup from the Pelican Staff: No sweat, glad it worked out for you! - Wayne at Pelican Parts  
bmrjames Comments: Hey bmrjames here, I just posted a thread about getting a used DME with warranty and had a question about programing.... then I read some of things you guys put in the "How to" artical above.

So my question is this now....
Do I just need to take the chip that is in my DME unit and swap it with the chip in the usede one that I get?
November 4, 2010
  Followup from the Pelican Staff: Yes, but that only works for the early E36s - I believe starting in 1996, they are coded with software and not a replaceable chip. - Wayne at Pelican Parts  
bmrjames Comments: bmrjames here, hey thanks fo all of your help and for getting back so soon. this sight is definately being saved in my favorites!!!
james
October 31, 2010
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
 
bmrjames Comments: Hey wayne, bmrjames here, that is actually my next step... I'm waiting waiting for the new coil pack to come in to replace the other new one that got fried. So now I'm kind of at a "catch 22" I won't know if the car will run until I put the new coil pack in to see if cleaning up the DME unit worked or not. If it did work; then I believe without a doubt that the car will start.However if the cleaning was not a success and there is more of an internal type of damage within the DME unit itself that I can't see then I risk frying another coil. The circut board that I removed from the DME unit was pretty much covered on the underneath side with rust and corrosion. It definately layed in some water without a doubt and there was definately some over heating on with that componant on the board as you can see in one of the pics of the melted plastic in my 3rd thread. ! I'm thinking that maybe I should just get a new DME so I don't have to wonder if I will fry another coil. It does have a two year warranty though, but they may question replacing two coil packs in 2 weeks time. Ha! bmrjames what do you think?
October 31, 2010
  Followup from the Pelican Staff: If the DME was that bad, then I would probably suggest getting a new one, as it will probably cause you problems again in the future. - Wayne at Pelican Parts  
bmrjames Comments: bmrjames here, thanks for getting back to me so soon. I continued to take the DME circut board out and sure enough there were definate signs that water had indeed invaded the DME unit there was rust and green corrosion like powder. so I cleaned it up good, put it back in and checked the code. This is what came up.

1444 No more faults This code shows that all faults have been fixed. Required to erase the computer's memory.

I waited to see if there were any different codes, but it only repeated this one at least 3 or 4 times. does this mean that my cleaning up of all of the corrosion that completely covered at least half of the underside of the unit may have worked? Your thoughts are very much appreciated! bmrjames
October 30, 2010
  Followup from the Pelican Staff: I may have. I've heard worse stories previously. The big question is, does the car run now? - Wayne at Pelican Parts  
bmrjames Comments: bmrjames here with the last pic. for real this time all four of my threads go together cause of the pictures. this is the cover off my DME unit DME unit and coilpack
October 30, 2010
  Followup from the Pelican Staff: Thanks again. - Nick at Pelican Parts  
bmrjames Comments: me one more time with last pic. DME and coilpack. This pic and the other two in the previous two threads all go together. it would only allow me to load one pic at a time.
thanks! James
October 30, 2010
  Followup from the Pelican Staff: Thanks, got it. - Nick at Pelican Parts  
bmrjames Comments: It is me with more pics. for the last post about DME and coil pack.
October 30, 2010
  Followup from the Pelican Staff: Thanks - Nick at Pelican Parts  
bmrjames Comments: HELP!!!! I have a 94 318is that will not start...will turn over fine, just shuts off right away. did all i could think of.... veryfied fuel pump and relay, checked the Mass Air Flow sensor, ICV and all of the vaccum hoses that go with, no blown fuses.... the Coil pack,which is a single pack for all for coils is actually sliting out on the side right above where the #3 cable wire plugs into the bottom of the pack. I noticed that the old one looked like that and the brand new BMW coil pack did the same thing. Took out the DME unit looks like sater may have gotten to it. Took off the cover and a section looks dark brown and smells like it melted. Would the DME unit fry my coil? or Would the Coil fry the DME unit? see pics....
October 30, 2010
  Followup from the Pelican Staff: You need to read the fault codes that are being output by the computer, otherwise you're just going to be guessing. See this article here: http://www.pelicanparts.com/bmw/techarticles/Mult-Code_Reading/Mult-Code_Reading.htm - Wayne at Pelican Parts  
aburaba Comments: hi there,my car is e36 1991 325i can i change my transmission fluid from red to white
October 12, 2010
  Followup from the Pelican Staff: Be sure to use fluid approved by BMW. Not a universal fluid. - Nick at Pelican Parts  
aburaba Comments: hi there,I have a 325i 1991 sedan with automatic transmission CAN I REPLACE MY ECU 0261200403 WITH 0261200413 n.b.my garge told me that my ecu should be 0261200402
October 6, 2010
  Followup from the Pelican Staff: I think that swapping those two might not work too well. I don't have a part number cross reference, but I think that the revision number may be too high. Just a guess though. - Wayne at Pelican Parts  
aburaba Comments: what is the difference bettwen the ecu 0261200402and 0261200403 and wich one is better and powerfull for e36 1991 325i
October 5, 2010
  Followup from the Pelican Staff: When you see one digit off like on these, it means there is a later revision on the ECU. There is probably no functional difference between the two, and there's probably no difference in performance. - Wayne at Pelican Parts  
Billmol Comments: I have a 1992 BMI 3251 E30? 2.5turns over wont start
the fuel pump is 1.2 Ohms but seems to turn when 12 volt applied Disconnected Of course the relays fuel and main seem to be sluggish when the fuel pump relay is squeezed a noise like rotating comes out of the engine
I pulled the DME Motronic unit out there was no sign of
moisture. I just cant get it to fire up.
October 2, 2010
  Followup from the Pelican Staff: Sounds like a potential ignition problem if you have good fuel pressure? Either that, or your timing may be off. - Wayne at Pelican Parts  
Brad Comments: Can you recommend a performance chip brand that would work best for 03 525i. I noticed the prices range from $79 to $299. Does Pelican sell them? It appears you sell them for the 3-series only.
September 17, 2010
  Followup from the Pelican Staff: If you give our BMW sales dept a call at 1-888-280-7799 they can assist you. The 03 was the last and best of the E39 5-Series - I believe we do sell upgraded software for these cars, but it's pretty specialized to your needs. - Wayne at Pelican Parts  
p3 Comments: Hi,very useful pages you have, thanks! I have 1991 BMW e36 325. The DME I have has 2 circuit boards instead of one in the photo. There is another board on top of the board that has the chip on it and the boards are connected with flat cable. I have tried to open it, but it seems very tight and im worried to brake it. Any hints for removing the top PCB? My motronic code is 0261200403
July 29, 2010
  Followup from the Pelican Staff: The older-style DMEs are as you describe. You just need to pry the connector between the two boards apart. There may be one or two screws on standoffs holding them together - be sure to remove those first. 1991 DMEs are very cheap on eBay, even if you accidentally break yours. - Wayne at Pelican Parts  
kallyman Comments: Hey Pelican, your responses are easy to understand and very useful. Can you please tell me where I can get a DME chip to buy. I have an e36 M50 1991 model. Regards... Calistus
July 15, 2010
  Followup from the Pelican Staff: I don't think chips are still available for these cars? Also 1991 E36 must be a European model? Maybe contact DINAN? - Wayne at Pelican Parts  
Sam Comments: I have a 1997 528i and the other day the car simply stalled. Found out that my fuse for the fuel pump burned out. To note, in DME/relay box in the hood I was stupid to tap a 12VDC 3-wire lead that feeds into a 'cooling fan??' for a relay to run my daytime running lights. Currently, no power is in this wire when the key is in position 2, therefore also no 'cooling fan'. I suspect my car overheated in our hot weather and the DME got hot too thus shorting something like my fuel pump fuse. My car can start now, idle, drive, but I fear it's unreliable for long duration. I think this 3-wire connector to the 'cooling fan' goes back to the DME via the big rectangular connector. So would it be possible that I fried something inside the circuit board of the DME that supplies 12VDC to this cooling fan?? Is it repairable? Or simply swap with a new/used DME?? Thanks!
July 13, 2010
  Followup from the Pelican Staff: Your 5-Series has an aux cooling fan in the front of the car. This helps the radiator in traffic, and only comes on when the car is really warm / hot. There's not too many ways to test - I would probably leave it alone and make sure that it goes on when the car gets hot. - Wayne at Pelican Parts  
Taildrager Comments: Thank you Wayne, worked on it and got it figured out, thanks to you help.

Do you know of anyone who works on the On Board Computer for the E30 series? I am wanting to change out the lense, it is distorted. I have the case split, but can't pull the face off. I don't want to pull to hard,
June 21, 2010
  Followup from the Pelican Staff: I think these are available on eBay for about $10 each, that would probably be the best route. - Wayne at Pelican Parts  
Taildrager Comments: Has anyone had a problem with a 1992 325I with a stuck fuel pump running all the time, check out the blue relay, and the contacts are open when no key, can close contact manually and fuel pump starts running. Car has been garaged and parked for several years, replaced battery and now this problem, car has low miles. Everything else works fine, and the car runs like day one.
June 18, 2010
  Followup from the Pelican Staff: I would start by swapping out the fuel pump relay - it's probably stuck. You can temporarily use another similar relay from another component there to test it out. - Wayne at Pelican Parts  
Lckt13 Comments: Help Pelican! what brand, model, no. etc and where to go search online for these chips? thanks
Hank with 95 325 i E36
May 7, 2010
  Followup from the Pelican Staff: Hi there. We sell chips for your car here: http://www.pelicanparts.com/bmw/catalog/shopcart/BE36/POR_BE36_FULful_pg1.htm#item0 - Wayne at Pelican Parts  
ely Comments: thats a very nice idead. THANKS
May 3, 2010
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
 
ely Comments: I am ely of cebu, philippines., my 1995 bmw 318is DME got flooded due to rain our country. Can I buy a replacement for this or have repaired only. my car wont start anymore. can somebody repair it, where can i buy the IC chip if so... thanks
May 2, 2010
  Followup from the Pelican Staff: Buying DMEs from other regions in the world can cause problems. I would look for a used one in your country and try that route first. - Wayne at Pelican Parts  
Scotty Comments: hmm what model car is it in the picture? as my E36 325i coupe 1993 model doesnt look like that under the bonnet, i have a big fuse /relay box in front of the computer.Also the shape of the panel is differant,guess it has to be in there though aye.
April 29, 2010
  Followup from the Pelican Staff: The car in the pictures is a 1993 325is. You're in Australia with a right-hand drive, so the DME should be on the other side. - Wayne at Pelican Parts  
will Comments: i have a 92 318is car has been sitting 5 years started up last summer just fine now i have no spark no fuel changed all relays got spark no fuel still
April 6, 2010
  Followup from the Pelican Staff: Check to see if you have power and ground at the fuel pump. You may have a bad fuel pump. - Kerry at Pelican Parts  
The Pig Comments: I have a 1995 325is automatic. My engine mis-fires at around 3k rpms. I've checked the coils, plugs, and plug wires. I'm told its the dme. I tried to buy one from a 1995 325i 5-speed. The P/N match but my car wouldn't crank. His part cranked with his and mine cranks with mine. What am I doing wrong?
March 25, 2010
  Followup from the Pelican Staff: His DME is matched to his EWS module and your DME is matched to yours. Maybe your computer is good and you just have a weak fuel pump. Try adding carb spray down the air intake and see if the misfire goes away - Kerry at Pelican Parts  
JC Comments: The rubber/foam cover of my ECU is all ripped and sagging. My car is a 1995 M3 with the 413 ECU production date 03/95. Where can I get a replacement foam cover?
March 2, 2010
  Followup from the Pelican Staff: Give our parts specialists a call at 1-888-280-7799. They can help you find the right part.
- Nick at Pelican Parts
 
sahan23 Comments: I have a 97 M3 I put it on dyno for top spedd it gone to 140mph not 160,so I wonder if I put dinan chip or other will it go up to 160mph?
January 31, 2010
  Followup from the Pelican Staff: It could, but I wouldn't want a street vehicle that goes that fast. :) Give Dinan a call and see what they can do for you. - Nick at Pelican Parts  
th3count Comments: i have installed a dinan chip in my E30 325E all number retaining to the year/model/engine/ecu all match the manual for the chip. engine cranks, fuel pumps but no spark.

chip exchanged 3 times.
December 16, 2009
  Followup from the Pelican Staff: If the stock chip works and the new chip doesn't, then there's some type of mismatch. If you put the stock chip back in and it still doesn't work, then you probably forgot to reconnect something somewhere along the line. - Wayne at Pelican Parts  
Skip Comments: What can I do? The BMW Tech, told me that I have coolant intrusion and my DME is bad along with wireing harness. What can I do to make sure not to pay a heafty price for repair.
December 16, 2009
  Followup from the Pelican Staff: Hmm, I would guess that not *both* your DME and harness are bad, but maybe one or the other. I'm not sure what "coolant intrusion" is? Does he mean the DME compartment got wet from a car wash or the rain? - Wayne at Pelican Parts  
cy Comments: how after changing the steering wheel can i reset the airbag warning light
October 5, 2009
  Followup from the Pelican Staff: There's an article on this in the Tech Articles section under Airbag, and also under swapping the steering wheel. - Wayne at Pelican Parts  
gjg Comments: but with my old ecu it was getting a spark and car was running ...it was the gauges that the ecu wasnt working cause i had that checked that it was the ecu at fault ...but this new one with the same part number wont even start the car
September 28, 2009
  Followup from the Pelican Staff: What year is the car? On the later cars with an immobilizer system, the key, immobilizer and DME must all be matched together. - Wayne at Pelican Parts  
gjg Comments: hi there my ecu wasnt working so i bought a second hand replacement with exactly the same part number i put it in the car and now the car doesnt have any spark to the plugs,,, any suggestions or answers
September 26, 2009
  Followup from the Pelican Staff: If your car wasn't working previously, and you replaced the ECU, then chances are it wasn't the ECU that was the problem. A bad crank angle sensor or even a cam sensor may cause lack of spark plug firing. Depending upon what year car you have, I would pull the codes and see what it is popping out for you. - Wayne at Pelican Parts  
Johno Comments: i HAVE A 1997 320I SEDAN BUT THE HEADLIGHTS SEEM TO HAVE DUST IN THEM WHICH I WOULD LIKE TO REMOVE AND CLEAN AS WELL AS THE REFLECTORS.
CAN YOU EXPLAIN HOW TO GET THE LEN'S OFF. ARE THEY GLUED OR JUST CLIPPED?
September 5, 2009
  Followup from the Pelican Staff: All the US-spec cars have sealed lenses. You can either cut them apart or buy replacement Euro lenses with removable covers. If you wish to replace just the covers when you cut them apart, I believe that we sell replacements. - Wayne at Pelican Parts  
Brad Comments: http://www.dinancars.com/
June 20, 2009
  Followup from the Pelican Staff: Thanks - Nick at Pelican Parts  
tigerclaws Comments: Where can I buy the replaing CHIP
June 15, 2009
  Followup from the Pelican Staff: These cars a bit old now, so the best place to look for these might be eBay - that's where I got this one. Dinan still might sell them too. - Wayne at Pelican Parts  

  Search our site:    

View Cart & CheckOut | Project List | Order Status |  Help    

 

[Home] [Customer Service] [Shopping Cart] [Privacy Statement]
 [Contact Us] [About Us] [Shipping] [Map to our Location] [Careers]

Copyright © Pelican Parts Inc.

Page last updated: Fri 12/9/2016 02:09:50 AM