BMW X3 Service & Repair Manual: Removing and installing/replacing both front brake discs

BMW X3 Service & Repair Manual / Brakes / Front brakes / 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.

NOTE: After completing repair work, read and comply with notes on breaking 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 measuring result and lowest value with SETPOINT VALUE .

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

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

Brakes

IMPORTANT: New brake pads may only be fitted if the brake disk thickness is greater than the MINIMUM BRAKE DISC THICKNESS (MIN TH).

Release screws (1). Remove brake-caliper support.

Brakes

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.

Clean contact surface of brake disc at wheel hub thoroughly and remove traces of corrosion.

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

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

Installation note: Replace screw.

Brakes

    Removing and installing/renewing brake pads on both front disc brakes
    Special tools required: 34 1 050 34 1 280 IMPORTANT: Brake pad wear sensor: after removal it must be replaced (brake pad wear se ...

    Removing and installing/replacing left or right front brake caliper
    Necessary preliminary tasks: REMOVE WHEEL . Read and comply with GENERAL INFORMATION. After completing repair work: BLEED BRAKE SYSTEM. Pr ...

    Other materials:

    BMW X3 Service & Repair Manual > Output shafts: Pressing output shaft out of drive flange and drawing in
    Necessary preliminary tasks: Remove REAR WHEEL . Remove REAR AXLE FINAL DRIVE. IMPORTANT: Always place a new circlip on the output shaft reinstalling! If necessary, remove visual protection cap (1). IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread when rel ...

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