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Old 11-29-2012, 08:46 AM
jburke4689 jburke4689 is offline
Officially Welcomed to the 'Fest
Location: Ellicott City, MD
 
Join Date: Apr 2008
Posts: 569
Mein Auto: 2007 335i
Collins, Does the car have iDrive or not? My 3 series does not have a light for the microfilter. I assume you are talking about the one in the engine compartment that filters cabin air. If you don't have iDrive there is a combination of buttons you press to reset individual items. I will get the procedure out of my service manual and post it. You can do a search also. It is in here.
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