51 12 156 Removing and installing rear bumper panel
Partially release cover on wheel arch (2) left and right:
Replace expanding rivet (1).
Unclip the cover (2) on the bumper, starting from the top (see arrows).
Installation note:
Remove expanding rivet (1).
Release left and right screws (3).
Undo screws (1) on bumper panel (2).
Release screws (1) on bumper panel (2) on the left and right.
Use a helper to unclip the bumper panel (2) left and right. Unclip up to rear light, moving outward (see arrows) from the guide (see next operation).
Use a helper to unclip the bumper trim panel (2) in the highlighted areas (1), pulling away from the guide.
Only with Park Distance Control (PDC):
Disconnect all plug connections from the ultrasonic sensors.
Remove the bumper panel (2).
Installation note:
Retaining tabs on the bumper panel (2) must not be damaged.