BMW X5 Owners & Service Manuals

BMW X5: Removing And Installing / Replacing Master Brake Cylinder For DSC

BMW X5 (G05) 2019-2024 Service & Repair Manual / Brakes / Brakes - Repair Instructions / Master Brake Cylinder / Removing And Installing / Replacing Master Brake Cylinder For DSC

Special tools required:

Necessary preliminary tasks:

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.


Tightening torque 34 32 1AZ.

Close off brake lines and brake master cylinder with plugs 32 1 270.

Fig. 65: Uncliping Retaining Bar

Release nuts (3) and feed brake master cylinder out of brake booster.


Replace self-locking nuts.

Tightening torque 34 31 1AZ.


Replace sealing ring.

Fig. 66: Identifying Sealing Ring


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.

Fig. 67: Identifying Brake Master Cylinder And Brake Booster


 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


 Connecting Lines

NOTES ON FITTING A NEW PIPE OR A SCREW CONNECTION IMPORTANT: Do not kink, twist or crush lines. Do not disassemble screw connection! Fitting new screw connection: Insert complete new screw connection consisting of toothed ring (1), banjo bolt (2) and assembly plug (3) into air spring/pipe connecti

 Screen Mirroring

General information Screen Mirroring enables mirroring (outputting) of the smartphone display on the Control Display. Functional requirements Compatible smartphone with Screen Mirroring interface. Compatible devices. Screen Mirroring is activated on the smartphone. WLAN is activated on the veh

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