51 37 000 Removing and installing complete power window regulator from rear left and right sides

Release door window glass at rear (do not remove) and stow at bottom in rear door. Refer to 51 34 171 REPLACING REAR LEFT OR RIGHT DOOR WINDOW .

Plug connection (1) must be disconnected from power window motor (2).

Fig 1: Disconnecting Plug Connection From Power Window Motor

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (3).

Lever out window regulator (4) and feed out of rear door.

Replacement Only: 

Release screws (1).

Turn flat motor (2) and detach from window regulator (3).

Lower end stop (4) must not be damaged.

Fig 2: Locating Lower End Stop

Courtesy of BMW OF NORTH AMERICA, INC.