34 11 519 Removing and Installing/Replacing Left or Right Front Brake Caliper

34 11 519 Removing and installing/replacing left or right front brake caliper





Necessary preliminary work:
^ Remove wheel
^ Read and comply with General Information.

After completing work: Bleed braking system





Press brake pedal down to floor and secure with pedal support.

Note:
The pedal support may only be released when the brake lines are reconnected.

This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Release union screw (1).

Installation note:





Tightening torque 34 32 2AZ.

If necessary, grip at knurling (2).

Important!
Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.

If necessary, remove brake pad wear sensor.





Lever out retaining spring (1) in direction of arrow towards rear.

Installation note:
Place retaining spring (1) first at top and bottom of brake caliper and then allow to engage in recess (2) of brake caliper housing.





Remove plastic plugs (1).

Unscrew guide bolts (1).

Withdraw brake caliper backwards.





Installation note:
Only clean guide bolts; do not grease.

Check threads.

Replace all guide screws which are not in perfect condition.

Tightening torque 34 11 4AZ.





Important!
Mark any worn brake pads.

Remove brake pads in direction of arrow.

In the event of one-sided brake pad wear, do not change brake pads round.

If necessary, clean brake caliper and pads.





Equipment specification, high-speed brake system.

Important!
Mark any worn brake pads.

Remove brake pads in direction of arrow.

In the event of one-sided brake pad wear, do not change brake pads round.

If necessary, clean brake caliper and pads.