here some more details https://www.youtube.com/watch?v=XGmMmUPjtsQ http://www.bimmerboard.com/forums/posts/733347 https://web.archive.org/web/20111127...windowGear.htm https://www.bimmerforums.com/forum/s...2#post30827482 https://www.atpartsmotor.com/index.p...id=&pid=155987
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