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Window regulator front door, remove and install, pre 3/88 production.

Remove door panel.

 

Remove plastic splash sheet.

 

Position window so that regulator bolts are accessible through cutout in door.

 

Hold window and remove the two bolts securing it to the regulator at the rear of the door.

 

Swing window up and back so that the forward roller comes out of the regulator, lower glass into the door.

 

Remove bolts securing window motor, or manual crank mechanism , and regulator to door.

 

Cut cable tie securing regulator to lower section of door. Disconnect wiring for power window motor.

 

Regulator is an S shaped metal tube, lift one end out of the door, then thread the rest out behind it.

 

If motor is making grinding noise, replace motor and regulator as a pair. Only replace the motor by itself if it has failed electrically.
 

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E30 M3 Repair Manual V2.7.  Copyright ©1999-2001 Koala Motorsport & Brett Anderson