Quote:
Originally Posted by jzmundy07
Sounds like the window regulator - common point of failure on BMW's in general, I believe (my previous car, X5, ate up 3 during the 3 years of ownership). Not a hard DIY, and as far as sound deadening goes, I've heard of people lining the inside of the door with Dynamat or equivalent.  |
+1.
Ron Stygar on Bimmerfest did a post on installing the sound deadening IIRC