51 12 156 Removing and installing rear bumper panel

CAUTION: To ensure the system function in vehicles with sensor for lane change warning (optional equipment S5ASA and S5ATA), do not repaint the bumper panel in paint stage 1 or paint stage 3.
Do not attach labels in the sampling range of the sensor.

Necessary preliminary work:

Remove the WATER CHANNEL TRIM LEFT/RIGHT

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

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Fold back wheel arch cover (1).

Release screw (2).

Tightening torque, refer to: 51 12 4AZ .

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Except for F80/F82:

Release screws (1).

Tightening torque, refer to: 51 12 6AZ .

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Only F80/F82:

Release screws (1).

Tightening torque, refer to: 51 12 6AZ .

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Release screw (1).

Tightening torque, refer to: 51 12 5AZ .

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

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NOTE: The following tasks must be carried out with a second person assisting:

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

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

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

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Installation note:

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

Installation note:

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

Replace defective sheet metal nuts left/right.

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