51 34 211 Replacing rubber guide for rear left or right door window

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Necessary preliminary tasks:

All except Security version:

Remove COVER ON INSIDE OF DOOR WINDOW FRAME
Remove OUTER WINDOW CAVITY COVER STRIP

Security version:

Remove door window glass
Replace plastic cover on rubber guide

Lever out rubber guide (1) and remove upwards out of side window guides.

Fig 1: Locating Rubber Guide

Courtesy of BMW OF NORTH AMERICA, INC.