51 34 191 Replacing Left or Right Fixed Door Window In Rear Window Frame
WARNING: This page is about a different car, the 2005 BMW 760i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The "Instructions for window cementing"
serve as the basis for these repair instructions and must be followed without fail. See 51 31 ... INSTRUCTIONS ON GLUING WINDSCREEN