Remove the trim for the rear window frame on the left and right side

NOTE: Perform the steps on the left and right side.

Remove trim for the side rear window frame

NOTE: Description is for left component only. Procedure on the right side is identical.

Loosen screw (1).
Release the lock (2) of the trim (3) for the sides of the rear window frame with a suitable tool from the set of special tools 0 493 752 (00 9 329) .
Unclip and remove the trim (3) for the sides of rear window frame with the clips (4).

Courtesy of BMW OF NORTH AMERICA, INC.