Necessary preliminary work:
Removal:
Release screws (1).
Unlock and disconnect connector (2).
Remove controller (3) downwards.
Installation:
Position controller (3) correctly.
Tighten down the screws (1).
Connect connector (2).
Required reworking:
BMW X3 Service & Repair Manual > Brake booster: 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 easier to remove the vacuum hose.
Vacuum hose and non-return valve are welded together and are replaced together as a single
unit.
Necessary pre ...