Shop OEM BMW Part # 51357365258 (51-35-7-365-258). Window Regulator. 4 Series; Right. 430i, 430ix, 440i, 440ix; Right. Window Regulator - Repair or Replace A failed window regulator can

Regulator.
A mechanical assembly that moves the window up and down. It can be controlled by a motor or manual crank. Power Operated. module. Liftgate Window. Sliding Window. Tailgate Window. Window Lifter without MOTOR.

Window Regulator

4 Series; Right. 430i, 430ix, 440i, 440ix; Right.
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 .