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Old 07-30-2012, 12:13 PM
Frenchx3 Frenchx3 is offline
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Location: NH
Join Date: May 2009
Posts: 137
Mein Auto: 2005 X3
Originally Posted by DUI Elite View Post
I got the window halfway up so now i can see the white plastic part. Not sure how to tell if its broken. Would the cable not move side to side?
There is a small hexagonally shaped piece of metal crimped (for lack of a better word) onto the cable. This moves up and down when you raise/lower the window. If you can feel the metal piece going up and down when you activate the switch then your regulator is fine and it's your drive dog (most likely is).

The hexagonal piece fits into the white plastic drive dog. Typically a piece of the drive dog will shear off and the metal piece pops out of the drive dog. I just did mine a couple of weeks ago and that's what happened. You can buy a new drive dog at BMW for around $55. I got copy on ebay for $15.00 which fits and works perfectly.
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