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Old 09-12-2012, 08:23 AM
Supercourse Supercourse is offline
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Location: British Columbia, Canada
Join Date: Feb 2008
Posts: 3,891
Mein Auto: 2004 X3 2.5i
Originally Posted by btwillis View Post
... "Exercise" them periodically to prevent "sticking". Have done so, and have had no further problems.
I agree with that. When possible, leave parked overnight with the windows just off the fully closed position to avoid that cracking sound on first use of the day.

Originally Posted by vrsaysso View Post
That makes sense, problem is its my driver side window so it gets used all the time
Another theory that has been put forward on forums for other models is that damage to the drive dog and maybe other plastic parts happens when a door is slammed with the window down.

Not as much support for the mechanism when glass in the down position.

This could be an explanation for how newly acquired used X3s seem to suffer failure of the windows in the early days of new ownership.
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