Adjusting parking brake (X6 M)

The parking brake test must be carried out on the roller dynamometer as follows.

Release position (engine off/ignition on) :

Wheel circumferential force right/left ≤ 300 N.

Press parking brake button (engine off/ignition on) :

Vehicle must be pulled uniformly out of brake roller or drive of brake roller is deactivated on both sides.

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NOTE: Accurate adjustment of the parking brake is only possible if the handbrake Bowden cables and all moving parts on the handbrake move easily and function correctly. Basic setting of the parking brake is required:

After replacing brake pads
Brake discs are replaced

Adjustment specification for brake pads
Release parking brake (switch on center console).

Completely unscrew one wheel stud on each rear wheel.

Installation note:

Install and tighten wheel stud.

Tightening torque 36 10 1AZ.

Courtesy of BMW OF NORTH AMERICA, INC.

Turn adjusting screw with a screwdriver until it is no longer possible to turn the wheel.

Then unfasten the adjusting screw 10 notches.

Courtesy of BMW OF NORTH AMERICA, INC.
Breaking in duo-servo parking brake

2.1) On brake test stand:
1. 2.1.1) Call up bedding-in program via diagnostic interface using DIS diagnosis system.
  (Parking brake indicator lamp in instrument cluster flashes at low frequency)
2. 2.1.2) Drive vehicle onto roller dynamometer and pull parking brake button once.
3. 2.1.3) Parking brake is applied at approx. 15 km/h with reduced force.
  (Parking brake indicator lamp in instrument cluster flashes at high frequency)
4. 2.1.4) Bedding-in procedure takes 3 minutes.
5. 2.1.5) Bedding-in procedure can be terminated by pressing the parking brake button.
6. 2.1.6) Delete the fault memory.
2.2) When road-testing (if possible on company property or an unused road):

2.2.1) Call up bedding-in program via diagnostic interface using DIS diagnosis system.
(Parking brake indicator lamp in instrument cluster flashes at low frequency)
2.2.2) Pull parking brake button once.
Increase driving speed to 15 km/h, braking distance is 400 meters.
2.2.3) Parking brake is applied with reduced force.
(Parking brake indicator lamp in instrument cluster flashes at high frequency)
2.2.4) Bedding-in procedure can be terminated by pressing the parking brake button.

2.1.6) Delete the fault memory.