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Engine Air Filter Replacement M54 Engine
 
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Pelican Technical Article:

Engine Air Filter Replacement M54 Engine

Nick Czerula

Time:

10 minutes10 mins

Tab:

$20

Talent:

**

Tools:

Flathead screwdriver, T25 Torx

Applicable Models:

BMW X3 Sport Utility (2004-06)

Parts Required:

Engine air filter

Hot Tip:

Work with a cool engine.

Performance Gain:

Achieve highest possible gas mileage

Complementary Modification:

Replace dry rotted or cracked intake air ducts.

The engine intake air filter is a pleated paper element housed inside a plastic box. The paper is designed to be porous to air flow but prohibit dust particles and grit from entering the engine intake ports. With time and depending on local conditions, the filter element becomes clogged and may eventually slow down or even altogether stop sufficient intake air from entering the engine. If air intake is restricted, fuel economy and engine efficiency is reduced; the restriction may reach a point at which the engine does not run at all.

In this article, I'll go over the steps involved with replacing the air filter on the BMW X3 with an M54 engine. Replacing on other engines is similar.

Replace the air filter once a year or more frequently if you drive in a dusty area. I suggest checking each time you change your engine oil, assuming you are changing your oil every 5,000 miles. It's easy to remove to inspect it and replacing it early will help you maintain your maximum fuel economy.

Keep in mind that when your car was serviced before, parts may have been replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have, so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Never work on your vehicle if you feel the task is beyond your ability.

Our vehicle may vary slightly from yours as models do change and evolve as they grow older. If something seems different, let us know and share your info to help other users. Questions or want to add to the article? Leave a comment below. When leaving a comment, please include your vehicle information.

The air filter is located in the air filter housing (red arrow), it is mounted in the left side of the engine compartment.
Figure 1

The air filter is located in the air filter housing (red arrow), it is mounted in the left side of the engine compartment.

It is easier to open the intake air housing if you free the intake air duct from the radiator support.
Figure 2

It is easier to open the intake air housing if you free the intake air duct from the radiator support. Start by removing the four T25 Torx screws (red arrows).

Next you will unclip the five air filter housing retaining clips.
Figure 3

Next you will unclip the five air filter housing retaining clips. Lift them up and unhook from the lid of the intake air housing. Start with the two near the mass air flow sensor (red arrows).

Then release the front clips (red arrows).
Figure 4

Then release the front clips (red arrows).

Figure 5

Once you release all the clips, lift the intake air duct (blue arrow) and pull it out of the air filter housing lid (red arrow)

Then, remove and replace the air filter.
Figure 6

Then, remove and replace the air filter. I suggest cleaning any debris (red arrow) from the air filter housing once the filter is removed. Leaves and dirt can gather inside the housing and possibly plug the air filter. Install the new air filter; be sure it is properly seated. Then install housing lid and clip it in place.

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Comments and Suggestions:
ben Comments: how to remove transfer case bmw x3 2006 3.0l
January 8, 2017
  Followup from the Pelican Staff: We do not have that tech article yet. You will have to remove the driveshafts, the electrical connectors, the mounts, then unbolt the transfer case and lower it using a jack. - Nick at Pelican Parts  

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Page last updated: Sun 7/23/2017 03:12:56 AM