BMW 51357140589 Rear Left Power Window Regulator

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To remove the rear door window, fully lower the window and remove the door inner trim panel and watershield. Carefully pry up the window inner sealing strip and remove the rubber weatherstrip and plastic window frame trim. Peel back the window sealing strip and remove the mounting bolts to lift the panel from the door. Fully close the window and lower it approximately 4-3/4 inches. Disconnect the battery negative cable and press the window catch outwards to slide the window upwards. Lift the rear first to remove the window from the vehicle.

Installation is the reverse of removal for both the door window glass and regulators. Replace the window catches if damaged and operate the window switch to fully close the window and normalize the auto-stop function.

The main difference is that there are two window rails in each front window regulator and only one rail in each rear window regulator.

To remove the front door window, fully open the window and raise it approximately 4.5 inches on E-series chassis models and 5.7 inches on F-series chassis models. Disconnect the battery negative cable and remove the inner trim panel and watershield. Use a flat-bladed tool to pry up the window inner sealing strip and remove the window catches. Slide the window upwards and lift the rear first to remove it from the vehicle.

Reverse the removal process while ensuring to route wiring harnesses away from the moving window mechanism, using new wire ties as needed.

Yes, the motor can be removed and installed with the window in any position.