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

WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2006 BMW M5. 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. See 00...... LIFTING VEHICLE WITH A LIFTING PLATFORM .

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 brake system when the brake lines are opened.

Fig 1: Applying Pedal Prop & Depressing Brake Pedal

Courtesy of BMW OF NORTH AMERICA, INC.

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

Unfasten screws (1).

Installation: Tightening torque 34 21 3AZ .

Installation:

Release brake hose (2).

Installation: Tightening torque 34 32 5AZ .

Unfasten brake hose at connection point to brake line.

Installation: 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.

Fig 2: Identifying Brake Hose And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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.