BMW X5: 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 with DSC.
IMPORTANT: Do not bend brake lines.
Unfasten brake lines (2).
Unclip retaining bar (1) and remove both brake lines from guides.
Installation:
Tightening torque 34 32 1AZ.
Close off brake lines and brake master cylinder with plugs 32 1 270.
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Fig. 65: Uncliping Retaining Bar
Release nuts (3) and feed brake master cylinder out of brake booster.
Installation:
Replace self-locking nuts.
Tightening torque 34 31 1AZ.
Installation:
Replace sealing ring.
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Fig. 66: Identifying Sealing Ring
Installation:
When inserting the brake master cylinder (2) into the brake booster (1), make sure the pressure rod of the brake booster and that of the brake master cylinder meet each other on one level.
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Fig. 67: Identifying Brake Master Cylinder And Brake Booster
READ NEXT:
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
Electrical Components
REPLACING A BRAKE PAD SENSOR (FRONT)
IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake pad wear sensor loses its retention capability in the brake pad).
If a brak
SEE MORE:
Removing And Installing Transfer Box ATC 700 (Automatic
Transmission)
IMPORTANT: After replacement, the "Repair" service function must be
carried out with in the
BMW diagnosis system.
WARNING: Danger to life!
Mount securing fixture for vehicle on lifting platform. See MOUNT SECURING
FIXTURE FOR VEHICLE ON LIFTING PLATFORM to
prevent the vehicle from slipping off or
Side collision mitigation
Principle
The side collision warning helps to avoid imminent
side collisions.
General information
Radar sensors monitor the space next to the vehicle
when traveling faster than a minimum
speed of up to approx. 130 mph/210 km/h.
The minimum speed is country-specific and is
displayed in the menu for
