34 21 745 Removing and installing or replacing left or right rear brake caliper

Remove rear wheel.

IMPORTANT: After completing tasks, bleed brake system.

Apply pedal prop and depress brake pedal slightly. This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Applying Pedal Prop & Depressing Brake Pedal

Loosen screws (1).

Installation:

Tightening torque, 34 21 3AZ.

Disconnect brake hose (2).

Right side:

Disconnect plug connection for brake lining sensor.

Pull off fist caliper towards rear of vehicle.

Installation:

Install brake hose without torsional stress.
First tighten the brake hose on the brake cover, then tighten connection on brake line.
Tightening torque, 34 32 1AZ.

Fig 2: Removing Screw & Disconnecting Brake Hose

IMPORTANT: Check routing and securing of brake-pad-wear indicator cable. Check for correct securing with tab of dust cap. It is absolutely essential to prevent the cable on the rim from being scuffed.