Abstract: Buzzing noise from door speaker area
Applies to: BMW 3 Series 2006-2009(E90, E91, produced up to 12/2007)
A buzzing noise can be heard from the area around the door speaker. This noise may be heard on a front or rear door, and is most noticeable at medium volume levels. The door speaker's operation causes the door vapor barrier to vibrate. The vapor barrier may vibrate in such a way that it contacts the steel inner frame of the door, or the speaker itself.
The vapor barriers have been updated to include additional foam pads on both the inside and outside of the part. Replace the affected vapor barrier with the updated part.
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