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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 369 (Brakes - Repair) >> Rear Brakes >> 34 21 745 Removing And Installing/Replacing Left Or Right Rear Brake Caliper

34 21 745 Removing And Installing/Replacing Left Or Right Rear Brake Caliper

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks: 

After completing work: BLEED BRAKING 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.

Fig 1: Identifying Pedal Support
G04754178Courtesy of BMW OF NORTH AMERICA, INC.

Detach retaining clip (1) in direction of arrow.

Installation: 

Retaining clip must be felt and heard to snap into place.

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: 

Tightening torque 34 32 1AZ .

Fig 2: Retaining Clip, Brake Line And Square Head
G04794728Courtesy of BMW OF NORTH AMERICA, INC.

Detach brake hose from brake caliper (1).

Installation: 

Tightening torque 34 32 3AZ .

Fig 3: Brake Hose At Caliper
G04794729Courtesy of BMW OF NORTH AMERICA, INC.
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.
Insert brake hose in bracket and screw onto brake pipe.

Remove BRAKE PADS .

Release screws (1).

Remove brake anchor plate in direction of arrow.

Installation: 

Tightening torque 34 21 2AZ .

Fig 4: Removing Brake Anchor Plate
G06211794Courtesy of BMW OF NORTH AMERICA, INC.