34 33 505 Removing And Installing/Replacing Brake Booster
WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2006 BMW M5. 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 .
For cars with S85 engines:
- Remove vacuum pump .
- Remove bracket for vacuum pump.
- Remove vacuum line .
Detach locking clip (1) from brake pedal, disengage and pull out locking pin.
Unscrew nuts (2).
Installation:
Replace self-locking nuts.
Tighten to specified torque. See BRAKE BOOSTER .
Remove non-return valve (1) from brake booster.
Carefully pull brake booster (2) out of bulkhead and tilt out.
Installation:
Replace seal between brake booster and bulkhead.
IMPORTANT:
Do not use any force when removing and installing the brake unit; the brake unit can be damaged under certain circumstances.