BMW X5: Overview Of Brake Master Cylinder / Brake Booster
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Fig. 62: Identifying Brake Master Cylinder/Brake Booster Components
- Brake booster
- Expansion tank
- Vacuum hose
- Brake master cylinder
- Bleeding braking system
REMOVING AND INSTALLING / REPLACING EXPANSION TANK FOR HYDRAULIC BRAKE ACTUATION
Necessary preliminary tasks:
- Read and comply with General Information.
- Remove left microfilter housing cover.
NOTE: Extract brake fluid out of expansion tank. Use a suction bottle used exclusively for drawing off brake fluid.
Do not reuse drawn out brake fluid.
Unfasten plug connection (1) and disconnect.
Remove wiring harness from holder (2).
Release screw (3) and lift off expansion tank.
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Fig. 63: Removing Wiring Harness From Holder
IMPORTANT: Check rubber plug in brake master cylinder for damage and replace if necessary.
Push the expansion tank vertically onto the master brake cylinder.
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Fig. 64: Locating Rubber Plug In Brake Master Cylinder
REMOVING AND INSTALLING / REPLACING MASTER BRAKE CYLINDER FOR DSC
READ NEXT:
Removing And Installing / Replacing Master Brake Cylinder For DSC
Special tools required:
32 1 27032 1 270 PLUGS (SET)
Necessary preliminary tasks:
Remove expansion tank.
Read and comply with General Information.
After completing tasks, bleed brake system wit
Brake Lines
OVERVIEW OF BRAKE LINES
1. Brake hose, front.
2. Brake tubes.
3. Brake hose, rear, to body.
4. Brake hose, rear, to wheel brake cylinder.
REPLACING ALL BRAKE PIPES
Special tools required:
34 5 100
Brake Booster
REPLACING VACUUM HOSE FOR BRAKE BOOSTER (N52K)
IMPORTANT: Before beginning work, fully press the brake pedal several
times to reduce the
vacuum pressure in the brake booster. This makes it easier to
SEE MORE:
Shift lights
Principle
The Shift lights in the instrument cluster indicate
the maximum shift point at which the best possible
acceleration can be achieved.
General information
Depending on the equipment and national-market
version, the Shift lights are active in the M
manual mode of the Steptronic Sport transmis
Key Card
Principle
The Key Card allows the vehicle to be unlocked
and locked, as well as started.
General information
The Key Card is available with Comfort Access.
Depending on the national-market version, the
Key Card may not be available.
A digital key that has already been paired with
the vehicle is in
