Window regulator front door, remove and install - early door

# 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. |

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