BMW X5: Removing And Installing/Replacing Both Front Brake Discs

Special tools required:

• 34 1 280.

Necessary preliminary tasks:

• Remove front wheels.
• Remove and clean brake pads.

After completing work, read and comply with notes on braking in new brake discs / brake pads.

Check minimum brake disc thickness:

• Position special tool 34 1 280 at three measuring points in area (1) and measure.
• Compare measurement result and lowest value with setpoint value.

New brake linings may only be installed if the brake disc thickness is greater than or equal to the minimum brake disc thickness (MIN TH).

If the brake discs are replaced, you must also fit new brake pads.

Brake discs may only be replaced in pairs (on each axle).

Fig. 28: Identifying Special Tool (34 1 280)

Release screws (1) and remove brake caliper mounting bracket.

Installation:

Tightening torque 34 11 2AZ.

Brake hose remains connected.

Check that brake hose is correctly seated in holder.

Fig. 29: Pulling Brake Lining Wear Sensor

Release screw (1) and remove brake disc (2).

IMPORTANT: To release brake disc: Do not under any circumstances strike friction ring with a hammer or similar! If necessary, carefully tap on base of brake disc chamber with a rubber mallet.

Unevenness on contact surface may result in distortion of brake disc!

Installation:

Replace screw.

Tightening torque 34 11 1AZ.

Fig. 30: Identifying Brake Disc Screw

REMOVING AND INSTALLING / REPLACING A BRAKE CARRIER / BRAKE GUARD PLATE AT FRONT

Necessary preliminary tasks:

• Remove front brake disks.

Release screws (1) and remove brake guard plate (2).

Installation:

Tightening torque 34 11 3AZ.

Fig. 31: Identifying Brake Guard Plate Screw

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