51 22 370 Removing And Installing/Replacing Cover (Seal) On Rear Door At Bottom Left Or Right

Detach cover (1) in direction of arrow from rear door (2).

Installation: 

Clip clips of cover (1) correctly into bores (3).

Fig 1: Detaching Cover From Rear Door

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Clips (1) of cover (2) must not be damaged.

Cover (2) has an aluminum insert (3).

Only press on clips (1) when installing otherwise cover (2) will become uneven.

Fig 2: Identifying Aluminum Insert In Cover

Courtesy of BMW OF NORTH AMERICA, INC.