34 41 280 Removing And Installing/Replacing Actuating Unit With Control Unit For Parking Brake (PBR)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

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 from actuating unit. See 34 41 135 REMOVING AND INSTALLING OR REPLACING BOTH BOWDEN CABLES FOR PARKING BRAKE .
E67: Remove starter battery . See 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .

Observe safety instructions on raising the vehicle. See 00 ... ... LIFTING VEHICLE WITH A LIFTING PLATFORM .

Unfasten screws.

Installation:

Tightening torque. See BRAKES - TIGHTENING TORQUES -- ALPINA .

Pull off plug (1).

Remove actuating unit with control unit.

Fig 1: Locating Screws

Courtesy of BMW OF NORTH AMERICA, INC.