34 11 520 Removing and Installing/Replacing Front Left or Right Brake Caliper (Brembo)

34 11 520 - Removing and installing/replacing front left or right brake caliper (Brembo)





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).





Necessary preliminary tasks:
- Remove wheels 36 10 300 Removing or Installing Front or Rear Wheel.

- Remove front brake pad sensor 34 35 001 Replacing A Brake Pad Sensor (Front)

Note:
Read and comply with General Information Service and Repair.
After completing work: Bleed braking system 34 00 025 Replacing Fluid In ABS/ASC+T Brake System





Press clutch 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.





If necessary, pull brake hose out of holder (1).

Important!
Grip brake hose at square head (3) to prevent connecting piece from turning in retaining bracket.

Disconnect brake hose from brake line (2).

Installation Note:
Tightening torque 34 32 1AZ 34 32 Brake Lines.

Detach brake hose from brake caliper (4).

Installation Note:
Tightening torque 34 32 2AZ 34 32 Brake Lines.





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

Note:
First tighten brake hose on brake caliper.
Move wheels into straight-ahead position.
Insert brake hose in bracket and screw onto brake pipe.





Release bolts (1) and pull off brake caliper with brake anchor plate towards rear.

Installation Note:
Tightening torque 34 11 2AZ 34 11 Front Brake.





Pull brake pads (1) off guide pins (2) and remove.

Important!
Mark any worn brake pads.
In the event of one-sided brake pad wear, do not change brake pads round.
Observe minimum thickness of brake pads 34 11 Front Brake.

Installation Note:
Clean brake pads, brake caliper and guide pins.
Do not grease backs of brake pads sleeve.
Brake pads must be correctly seated on guide pins.





Clean contact faces (1) of brake pistons and apply a thin coating of anti-squeak compound.