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Old 03-29-2013, 12:54 PM
perlman007 perlman007 is offline
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Location: Arlington, VA
 
Join Date: Dec 2012
Posts: 21
Mein Auto: 2007 328xi Coupe
I believe it is actually cause by the indentation between the two pieces of the housing (not between the mirror and the housing). If you roll the window down at speed, and place your finger on the groove you will be able to make the noise change/ stop.

BMW NA and the dealership have said that there is presently no fix. They have suggested temporary measures where they would fill that portion of the gap with some black caulk.

Not ideal.
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