Shop 1988 BMW M6 Window Regulator (Front). 633CSi, 635CSi; Left. From 4/78. Series 6; Left. Window Make, Left - OEM BMW Part # 51331921505 (51-33-1-921-505)

Regulator.
A mechanical assembly that moves the window up and down. It can be controlled by a motor or manual crank. Power Operated. Carrier ASSEMBLY. ELECTR. WINDOW Lifter. Liftgate Window. Module. Sliding Window. Tailgate Window.

Window Regulator

Fits 633CSi, 635CSi, M6

633CSi, 635CSi; Left. From 4/78. Series 6; Left.
Window Regulator - Repair or Replace
A failed window regulator can cause your power window to get stuck, make a grinding noise, or make your window appear to be off track. Consider replacing the window regulator on your .