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Rear wheel sensor

Rear wheel sensor

To remove


1. Raise the car and remove the wheel.

2. Press the brake piston back using a pair of slip joint pliers.


3. Remove the brake caliper and hang it up.

4. Back off the parking brake shoe adjustment. It is accessible through a hole in the brake disc.


5. Remove the brake disc retaining bolt. Remove the brake disc.

6. Remove any air deflector.


7. Remove the bolt securing the handbrake cable bracket.

8. Unplug the connector from the wheel sensors

9. Detach the wheel sensor cable from the holder.

10. Remove the mounting for the wheel sensor cable and brake pipe (2 nuts).

11. Remove the wheel hub nuts. Use a long 15mm socket with 3/8 drive, part no. 30 34 444 and extension with ball fitting.

12. Remove the wheel hub from the brake shield. Allow the brake shield and parking brake unit to remain hanging in the wiring. Keep track of the spacer.


To fit


1. Use a steel wire brush to clean the contact surface and spacer.

2. Fit the wheel hub in the brake shield and spacer and secure them to the longitudinal link, using new nuts. Tighten the nuts alternately.

Tightening torque: 50 Nm +30° (40 lbf ft +30°)

3. Fit the brake disc.

Fit the lock screw with Loctite 242.

Tightening torque: 10 Nm (7 lbf ft).

4. Adjust the parking brake, see Adjusting the parking brake shoes .


5. Fit the brake caliper. Use 74 96 268 Loctite 242 on the bolts.

Tightening torque: 80 Nm (59 lbf ft)

6. Fit the mounting for the wheel sensor cable and brake pipe.

Tightening torque: 24 Nm (18 lbf ft)


7. Fit the wheel sensor cable into the mounting.

8. Plug in the wheel sensor connector.


9. Fit the handbrake cable bracket.

Tightening torque: 8 Nm (6 lbf ft).

10. Fit the air deflector.

11. Fit the wheel. See Wheels .

Tightening torques

aluminium rim 110 Nm (81 lbf ft)

pressed steel rim 50 Nm +2x90°, max. 110 Nm (37 lbf ft +2x90°, max. 81 lbf ft)

12. Lower the car to the floor.

13. Depress the brake pedal to press out the pistons in the brake calipers.