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BMW E36 Cabin Filter / Microfilter / Micro Filter Replacement

Q
How do I replace the cabin air filter in a 1995 BMW 325i. Can you send me a diagram?

A
We don’t have any real written instructions for the microfilter install for your 325i. I can certainly give you a few pointers though. The microfilter slides into the heater box from the passenger side footwell area. If you look at the bottom panel of the dashboard, on the passenger side, you will see a small rectangular panel. Remove the screws holding this panel on, and look up into the opening. You should be able to see the side of the heater box. There is a small “door” that’s held in place by a few screws. Remove these, and the microfilter will slide out. You will need to bend it to get it out, and bend the new one going in (it’s OK to actually crack the plastic frame).

The Bentley repair manual covers the officially “correct” way to replace the microfilter, which involves complete removal of the glovebox housing and a couple other parts. The above “quick” procedure is easier. However, if you wish to perform the replacement “by the book”, the Bentley manual will guide you through the steps.

Click below for Bentley manuals:

Click below for microfilters (search on microfilter):

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