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HarryD HarryD is offline
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Join Date: May 2002
Location: Portland, Oregon
Posts: 10,880
Not sure for a Z3, but for a Z4, grease gets on the mechanical/electrical wheel inside the motor. wiping the grease off fixes the problem.

This thread for the Z4's may be helpful: https://z4-forum.com/forum/viewtopic.php?f=32&t=55535
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Harry
1970 VW Sunroof Bus - "The Magic Bus"
1973.5 911T Targa - "Smokey"
2003 BMW Z4 3.0i
2009 MB C300
Old 12-28-2019, 08:48 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)