34 11 220 Removing and installing/replacing both front brake discs

WARNING: This page is about a different car, the 2007 BMW 550i, 2006 BMW 550i, 2005 BMW 545i, and 2004 BMW 545i. 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 .
If necessary, remove and clean brake linings. Refer to 34 11 000 REMOVING AND INSTALLING/REPLACING BRAKE LININGS ON BOTH FRONT DISC BRAKES .

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

Check minimum brake disc thickness:

Position special tool 34 1 280 at three measuring points in area (1) and measure.
Compare measurement result and lowest value with setpoint value. Refer to BRAKES - TECHNICAL DATA - E60 .

New brake linings may only be installed if the brake disc thickness is greater than or equal to the minimum brake disc thickness (MIN TH). Refer to BRAKES - TECHNICAL DATA - E60 .

Always replace brake discs in pairs.

If the brake discs are replaced, you must also fit new brake linings.

Fig 1: Measuring Brake Disc Thickness

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1), remove brake caliper and tie up.

Installation:

Tightening torque, refer to 34 11 2AZ in BRAKES - TIGHTENING TORQUES - E60 .

NOTE: Brake hose remains connected. If the brake hose was pulled from the mounting fixture during removal, make sure it is positively attached when installed!

Fig 2: Locating Brake Caliper Retaining Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew bolts and take off brake disc.

Installation:

Tightening torque, refer to 34 11 1AZ in BRAKES - TIGHTENING TORQUES - E60 .

Clean contact surface of brake disc at wheel hub thoroughly; remove traces of corrosion if necessary. Unevenness on contact surface may result in distortion of brake disc!

IMPORTANT: To release brake disc: Do not under any circumstances strike friction ring with a hammer or similar! If necessary, carefully tap on base of brake disc chamber with a rubber mallet.

Fig 3: Removing Brake Disc Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Internally ventilated brake discs are balanced. Never remove or reposition balance clips.

Fig 4: Removing Balance Clips

Courtesy of BMW OF NORTH AMERICA, INC.