51 16 ... Removing and Installing/Replacing Inner Trim On Window Frame (Roller Sun Blind Guide Rail) On Left or Right

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.

Unclip trim (1) and pull out in direction of arrow from door trim (2).

Fig 1: Pulling Door Trim

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Installation:

Locking rails (1) of trim (2) must not be damaged.

Fig 2: Identifying Locking Rails Of Trim

Courtesy of BMW OF NORTH AMERICA, INC.