Removing rear wheel arch trim

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

NOTE: To provide a better overview: Schematic diagram with partially hidden components.

Remove the blind rivets (1).
Detach the wheel arch trim (2) from the clips (3).
Detach and remove the wheel arch trim (2) from the locks on the bumper.

Courtesy of BMW OF NORTH AMERICA, INC.