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

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.

Special tools required:

34 1 280

Necessary preliminary tasks:

Remove wheels
IF NECESSARY, REMOVE AND CLEAN BRAKE PADS

After completing work, read and comply with notes on BREAKING IN NEW BRAKE DISCS / BRAKE PADS .

Observe SAFETY INSTRUCTIONS on raising the vehicle.

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 .

IMPORTANT:

New brake pads may only be installed if the brake disc thickness is greater than or equal to the MINIMUM BRAKE DISC THICKNESS (MIN TH) (not incl. M vehicles).

In the case of M vehicles and perforated brake discs, new brake pads may only be installed if the brake disc thickness is greater than the MINIMUM BRAKE DISC THICKNESS (MIN TH).

NOTE:

The minimum brake disc thickness is configured in such a way that it lasts the life of a further set of brake pads (does not apply to M vehicles and perforated brake discs).

Always replace brake discs in pairs.

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

Fig 1: Identifying Measuring Points Area

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation:

Tightening torque 34 11 2AZ .

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: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew bolts and take off brake disc.

Installation:

Tightening torque 34 11 1AZ .

Clean contact surface of brake disc at wheel hub thoroughly and 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: Unscrewing Bolts

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

Fig 4: Locating Balance Clips

Courtesy of BMW OF NORTH AMERICA, INC.