51 43 259 Removing And Installing/Replacing Trim For Rear Roof Pillar (D-Pillar), Left Or Right

Release trim (1) inwards from clips (2) and remove.

Complete removal only with version with 3rd seat row: 

Release screw for seat belt (3).

Feed seat belt (3) out of trim (1).

Fig 1: Identifying Screw For Seat Belt

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

If necessary, replace faulty clips (1 and 2).

Make sure all clips are installed in correct position.

1. Blue clip
2. White clip
   Fig 2: Identifying Blue And White Clip

   Courtesy of BMW OF NORTH AMERICA, INC.