Parking Brake Actuator: Service and Repair

34 41 280 - Removing and installing/replacing actuating unit with control unit for parking brake (PBR)





Important!
With mechanical emergency release of actuating unit, max. torque at end stop 5 Nm.
After installing actuating unit:
- Deactivate installation mode status with BMW diagnostic system.
- Touch parking brake button three times at intervals of 5 seconds.
- Carry out brake test on brake analyzer.
- Drive car with rear axle only onto dynamic brake analyzer.
- Engine off.
- Touch parking brake button and ensure uniform increase.





Necessary preliminary tasks:
- Unhook both Bowden cables for parking brake Service and Repair from actuating unit
- E67:
Remove starter battery

Observe safety instructions on raising the vehicle 00 .. ... Lifting Vehicle With A Lifting Platform.





Unfasten screws.

Installation Note:
Tightening torque 34 41 3AZ 34 41 Parking Brake.

Pull off plug (1).

Remove actuating unit with control unit.