E46 3 Series Cabin Air Filter Install

Most people realize that changing your engine's air filter once a year will allow your engine to breathe better! Most people don't realize that changing or up grading your cabin's air filter will allow YOU to breathe better! When is the last time you changed your Cabin Filter?

The factory cabin air filter is located in the rear of your engine compartment as illustrated in the image below.

To start you first need to remove the weather seal above the cabin air filter housing by pulling it up.

Remove the 3 clips from the top of the cabin air filter housing cover and remove cover.

Slide out old cabin air filter noting the position of the filter. Wipe out any excess dirt or debris in the cabin air filter housing that may have fallen off when removing the old filter.



Replace with new Micron Standard or Carbon Cabin Air Filter making sure the position is the same as the old filter that you removed.

Replace cabin air filter housing cover and secure clips.

Rinstall weather seal above cabin air filter housing.

Enjoy a more powerful A/C and breathe better.

Here is a couple images showing the dirt that can accumulate on your cabin air filter which reduces the air flow from your air conditioning unit as well as limiting a fresh clean supply of air into your BMW.

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