Mechanics

BMW Z4 WINDOW PROBLEM

2006 BMW Z4 • 98,000 miles

The drivtoners window will go down but not up. I replaced the motor and switch thinking that was the problem. I also checked the old motor when this did fix the problem. The window motor turns in the same diretion wheter hitting the up or down.
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Guest
January 17, 2013.



Single wire BUS communication, so the module that controls the motor is suspect.

Dr. Hagerty
Jan 18, 2013.