Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
51 12 003 Removing And Installing Complete Rear Bumper (M3, M3 CSL/Lightweight Design)
Release nuts (1) on left and right.
Installation:Β
Observe tightening torque, refer to 51 12 3AZ in BODY EQUIPMENT - TIGHTENING TORQUES - 3-SERIES .
Release screw (1) on wheel arch liner (2) on left and right.
Release expansion rivet (1) on left and right.
Lift out wheel arch liner (2) on left and right.
Remove bumper (3) towards rear.
Park Distance Control (PDC) Option:Β
Pull bumper (1) slightly towards rear and unclip cable holder in area (2).
Disconnect plug connections on PDC sensors (3).
Remove bumper (1) towards rear.
Convertible With TV Option Only:Β
Disconnect plug connection (1) of TV antenna under center console on left.
Feed out cable plug with grommet through rear panel.
Remove bumper towards rear.
NO RELATED
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.