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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove wheels

Observe SAFETY INSTRUCTIONS on raising the vehicle.

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: Locating Pedal Support

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Right side: Disconnect plug connection for brake pads wear sensor.

Release screws (1).

Installation:

Tightening torque 34 21 3AZ .

Disconnect brake hose (2).

Fig 2: Identifying Brake Hose And Screws

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Installation:

Tightening torque 34 32 5AZ .

Unfasten brake hose at connection point to brake line.

Tightening torque 34 32 1AZ .

First tighten the brake hose on the brake cover, then tighten connection on brake line.

Install brake hose without torsional stress.

Pull off fist caliper towards rear of vehicle.

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.