Just an FYI; you can save a lot of time and hassle when changing a window regulator or doing other door repairs if you leave the airbag connected. Just unbolt it, pull off the foam liner, then bolt it back while you work.

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2014 BMW 328i Xdrive
2011 BMW 335i M-Sport
2008 BMW X5 4.8i Sport
2000 BMW 528i 5sp