51 71 478 Removing and installing/replacing cover on rear left or right wheel arch

Release the rivets (1).

Release cover (2) at clips (3) and remove.

Fig 1: Identifying Wheel Arch Cover Clips

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Catches (1) must not be damaged or missing.

Replace faulty clips (2).

Water ingress! 

Always install clips (2) with sealing ring.

Fig 2: Identifying Bumper Panel Clips

Courtesy of BMW OF NORTH AMERICA, INC.