34 33 505 Removing and installing or replacing brake booster
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 BMW 335xi, 2008 BMW 335i, 2008 BMW 328xi, 2008 BMW 328i, and 2008 BMW 323i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Read and comply with General Information.
- Remove Brake Master Cylinder
- Remove Hydraulic Unit
- Remove left Footwell Trim.
Detach locking clip (1) from brake pedal, disengage and pull out locking pin.
Unscrew nuts (2).
Installation:
Replace self-locking nuts.
For tightening torque refer to 35 11 1AZ.
Carefully pull brake booster (1) out of bulkhead and tilt out.
If necessary, disengage brake line from holder on bulkhead and press slightly to one side.
IMPORTANT:
Do not use any force when removing and installing the brake unit; the brake unit can be damaged under certain circumstances.
Brake lines must not be bent.
The Non-Return Valve must be modified when the brake booster is replaced.