34 33 505 Removing and Installing/Replacing Brake Booster
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 750i, 2008 BMW 750Li, 2007 BMW 750i, 2007 BMW 750Li, and 2006 BMW 750i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Read and comply with General Information See 34 00 ... GENERAL INFORMATION
- Remove equipment compartment bulkhead See 51 71 085 REMOVING AND INSTALLING CENTER OF ASSEMBLY COMPARTMENT BULKHEAD
- Remove brake master cylinder See 34 31 505 REMOVING AND INSTALLING/REPLACING MASTER BRAKE CYLINDER FOR DSC
- Removing non-return valve See 34 33 071 REPLACING VACUUM HOSE FOR BRAKE BOOSTER (N62)
- Remove pedal trim See 51 45 185 REMOVING AND INSTALLING/REPLACING TRIM FOR PEDAL ASSEMBLY
Observe safety when raising the vehicle.
Detach retaining clip (1) on brake pedal.
IMPORTANT:
Make sure retaining clip (1) is correctly seated.
If necessary, replace retaining clip (1).
Unscrew nuts (2).
Installation:
Replace self-locking nuts.
Tightening torque 35 11 1AZ. See 35 11 PEDAL ASSEMBLY CONSOLE
Pull out pin (3).
IMPORTANT:
Do not use any force when removing and installing the brake unit; the brake unit can be damaged under certain circumstances.
Unclip brake lines from holder and carefully press to one side.
IMPORTANT:
Brake lines must not be bent!
Carefully pull the brake unit out of the bulkhead swing it out.
IMPORTANT:
Brake booster is highly sensitive to damage in area (3).
Such damage may cause the brake booster to malfunction.
Such damage may cause the brake booster to malfunction.
Installation:
Install the adapter plate (1).
Replace the gasket (2) if necessary.