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BMW E39 Engine Air Filter Replacement
 
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Pelican Technical Article:

BMW E39 Engine Air Filter Replacement

Kerry Jonsson

Time:

30 minutes30 mins

Tab:

$25

Talent:

**

Tools:

Flathead screwdriver

Applicable Models:

BMW 525i Sedan/Wagon (2001-03)
BMW 528i Sedan/Wagon (1997-00)
BMW 530i Sedan (2001-03)
BMW 540i Sedan/Wagon (1997-03)

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.

In this article, I'll go over the steps involved with replacing the air filter on the BMW E39 5-Series.

Replace 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.

Models with 8-cylinder engine:
The air filter is located the air filter housing, it is mounted in the right side of the engine compartment.
Figure 1

The air filter is located the air filter housing, it is mounted in the right side of the engine compartment. First, unclip the mass air flow sensor clips using a flathead screwdriver, there are two (green arrows).

Using a flathead screwdriver, lever both mass air flow sensor clips open.
Figure 2

Using a flathead screwdriver, lever both mass air flow sensor clips open. You do not have to unclip the mass air flow sensor. The air filter can be snuck out of the housing without doing so. However, if you want better access to the housing to clean the debris out, I suggest unclipping it.

Then, using a flathead screwdriver, unclip all four air filter housing retaining clips.
Figure 3

Then, using a flathead screwdriver, unclip all four air filter housing retaining clips. (green arrows).

Once you release all the clips, lift the air filter housing lid up to remove.
Figure 4

Once you release all the clips, lift the air filter housing lid up to remove.

Remove the air filter from the housing.
Figure 5

Remove the air filter from the housing.

I suggest cleaning any debris (green arrow) from the air filter housing once the filter is removed.
Figure 6

I suggest cleaning any debris (green arrow) from the air filter housing once the filter is removed. Install the new filter, be sure seal is properly seated. Then install housing lid and clip it in place. Clip mass air flow sensor onto housing and you are done.

Models with 6-cylinder engine:
The 6-cylinder engine air filter housing is located in the left side of the engine compartment.
Figure 7

The 6-cylinder engine air filter housing is located in the left side of the engine compartment. (green arrow) The air filter is mounted in a removable panel, this makes replacing it quite easy.

Press the air filter lid retaining tabs in to release.
Figure 8

Press the air filter lid retaining tabs in to release. (green arrows)

Once released, slide air filter lid up and remove from housing.
Figure 9

Once released, slide air filter lid up and remove from housing.

Remove air filter from lid, install new filter and reinstall lid.
Figure 10

Remove air filter from lid, install new filter and reinstall lid. Be sure retaining tabs lock into place.

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Page last updated: Fri 12/9/2016 02:05:04 AM