51 34 171 Replacing rear left or right door window

Necessary preliminary work: 

• Remove SOUND INSULATION IN REAR DOOR 
• Remove COVER FOR WINDOW GUIDE 
• Remove OUTER WINDOW CAVITY WEATHER STRIP 

Move door window until stop (3) of power window regulator fixture can be activated via recess on guide rails of power window regulator.

Lever out stop (3) with screwdriver (4) in direction of arrow and push door window up.

Installation note: 

The door window must be correctly clipped into stop (3).

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

If necessary, NORMALIZE power window regulator.

Installation note: 

Following parts of window guide (3) must not be damaged or missing:

1. Catch
2. Bump stop
   Fig 2: Identifying Catch, Bump Stop And Window Guide

   Courtesy of BMW OF NORTH AMERICA, INC.

Remove door window glass (1) towards top.

Installation note: 

The door window (1) does not require adjustment.

Make sure door window (1) is correctly fitted on window guides.