51 34 171 Replacing rear left or right door window

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

51 3 240

WARNING: Danger of injury!
Carry out work on the power windows only when the power window motor is deenergized (unplug connector).

Necessary preliminary tasks

Lower side window (1) to dimension (A window guide (2)

A = 200 mm

Fig 1: Identifying Side Window And Window Guide

Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks

Remove SOUND INSULATION IN REAR DOOR .
Remove OUTER WEATHER STRIP .

Loosen hook screws (1) with special tool 51 3 240 on ring gear.

Tightening torque 51 35 1AZ .

Fig 2: Loosening Ring Gear Hook Screws Using Special Tool (51 3 240)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Slacken hook screw on ring gear (1) until it can be easily twisted out at the inner star (2).

Fig 3: Identifying Ring Gear And Inner Star

Courtesy of BMW OF NORTH AMERICA, INC.

Open door window glass (1) until hook screws (2) are accessible.

IMPORTANT: Danger of injury!
Disconnect plug connection (3) at power window motor (pinch hazard).

Release hook screws (2) (turn in clockwise direction).

Fig 4: Identifying Window Glass, Hook Screws And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Door window glass (3) remove for purposes of clarity.

Raise holder (1) at tab (2) and remove door window glass (3) in upward direction.

Fig 5: Removing Door Window Glass

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure door window glass (1) is correctly seated on holder (2) and window guide (3).

Adjust DOOR WINDOW GLASS.

Carry out function check on power window regulator and anti-trap mechanism.

If necessary, NORMALIZE power window regulator.

Fig 6: Identifying Door Window Glass, Holder And Window Guide

Courtesy of BMW OF NORTH AMERICA, INC.