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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis (Single Page) >> Body & Frame >> Exterior/Interior Trim >> Body Equipment - Repair -- M4 (F82 & F83) >> 51 12 Bumper, Rear >> Removing and installing (replacing) rear bumper panel (M4 Convertible)

Removing and installing (replacing) rear bumper panel (M4 Convertible)

CAUTION: To guarantee the quality of the driver assistance functions in vehicles with concealed radar sensors installed, the component may only be repainted by using proper methods.

No labels may be attached in the radiation areas of the radar sensors.

The component may be painted if no radar sensors have been installed.

The following features can be used to identify whether radar sensors are installed on the vehicle:

Radar sensors are installed at the rear if the triangular warning light is located on the exterior mirror (in the mirror glass or on the mirror frame).

Radar sensors are installed at the front and rear if the triangular warning light is located on the exterior mirror (in the mirror glass or on the mirror frame) in conjunction with the optional equipment S5ATA or S5AUA.

Release screws (1) on wheel arch cover (2) on left/right.

G05779032Courtesy of BMW OF NORTH AMERICA, INC.

Fold back wheel arch cover (1).

Release screw (2).

Tightening torque 51 12 4AZ .

G10096902Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 51 12 6AZ .

G10096903Courtesy of BMW OF NORTH AMERICA, INC.

Loosen trim (1) on latch mechanisms and remove.

NOTE: Carry out work on the right side in the same way as for the left side illustrated here.

Installation note: 

Make sure cover (1) is correctly seated.

G10209687Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 51 12 5AZ .

NOTE: Carry out work on the right side in the same way as for the left side illustrated here.
G13844267Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The following tasks must be carried out with a second person assisting:

Unclip the bumper panel (1) in area (2) outwards on the left/right.

Unclip the bumper panel (1) in area (3) towards the rear.

If necessary, disconnect plug connections of ultrasonic sensor and remove bumper panel (1).

G10096906Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Clean plug connection on wiring harness and ultrasonic sensor!

Latch mechanisms in this area (2 and 3) must be routed correctly into the corresponding holders.

Adjustment, see GAP DIMENSIONS .

Installation note: 

Latch mechanisms and guides (1) must not be damaged or missing.

If necessary, replace faulty sheet metal nuts left/right.

G10096907Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Unlock retaining tabs (1) in the direction of the arrow and pull out ultrasonic sensor (2) upwards from bracket (3).

Installation note: 

Retaining hooks of ultrasonic sensor (2) must engage exactly in retaining tabs (1).

G04728001Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Make sure rubber ring (1) is correctly fitted on ultrasonic sensor (2).

G04728003Courtesy of BMW OF NORTH AMERICA, INC.