BMW X3 Service & Repair Manual: Removing and installing or replacing brake booster
Necessary preliminary work:
- Read and comply with GENERAL INFORMATION.
- Remove left footwell trim .
- Remove BRAKE MASTER CYLINDER.
- Remove WIPER MOUNTING BRACKET .
Detach retaining clip (1) on brake pedal.
Pull out locking pin.
Unscrew nuts (2).
Installation note: Replace self-locking nuts.
Release brake lines (1) from holder on bulkhead.
If necessary disconnect plug connection of vacuum sensor.
Pull vacuum line (2) out of brake booster.
Installation note: Check gasket, replace if necessary.
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.
Carefully pull brake booster (3) out of bulkhead and tilt out.
Installation note:
Make sure seal (2) is present and correctly seated.
The protective film on the connection of the vacuum line must be removed when replacing the brake booster!
Removing and installing brake booster vacuum pressure sensor
Detach service opening (1).
Disconnect plug connection (1) at vacuum sensor.
Carefully remove vacuum sensor (2) from brake booster in direction ...
Replacing vacuum hose for brake booster (N63)
IMPORTANT:
Before beginning work, fully press the brake pedal several times to reduce the vacuum pressure
in the brake servo. This makes it eas ...
Other materials:
BMW X3 Service & Repair Manual > Front sub-frame: Lowering/raising front axle support
Special tools required:
31 5 251
00 2 030
31 5 255
31 5 256
WARNING: Danger of injury!
Failure to comply with the following instructions may result in the vehicle
slipping off the lifting platform and critically injuring other persons.
When supporting components, make sure that:
...
BMW X3 Owners Manual
BMW X3 Service & Repair Manual
