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

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove wheels, refer to 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL .

Observe safety instructions on raising the vehicle, refer to 00 .. ... LIFTING VEHICLE WITH A LIFTING PLATFORM .

After completing tasks, bleed brake system, refer to 34 00 025 REPLACING FLUID IN ABS/ASC+T 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 brake system after the brake lines have been detached.

Fig 1: Depressing Brake Pedal

Courtesy of BMW OF NORTH AMERICA, INC.

Left side: Disconnect plug connection for wear indicator. Release brake hose on brake caliper.

Slacken connection for brake hose and brake line.

Installation:

Tighten brake hose on brake caliper. Tightening torque, refer to 34 32 4AZ in BRAKES - TIGHTENING TORQUES - 645CI .

Move steering to straight-ahead position. Screw brake hose to brake line, ensuring that brake hose is not twisted.

Tightening torque, refer to 34 32 1AZ in BRAKES - TIGHTENING TORQUES - 645CI .

Unscrew bolts (1) and remove brake caliper.

Fig 2: Releasing Bolts And Removing Brake Caliper

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque, refer to 34 11 2AZ in BRAKES - TIGHTENING TORQUES - 645CI .