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

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

Remove WHEELS
Remove and clean BRAKE PADS

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

Check minimum brake disc thickness:

Position special tool 34 1 280 GAUGE at three measuring points in area (1) and measure.
Compare measurement result and lowest value with SETPOINT VALUE .

Installation:

New brake pads may only be fitted if the brake disc thickness is greater than the MINIMUM BRAKE DISC THICKNESS (MIN TH).

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

Brake discs may only be replaced in pairs (on each axle).

Fig 1: Checking Minimum Brake Disc Thickness Using Special Tool (34 1 280)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove brake anchor plate (2).

Installation:

Tightening torque: see 2AZ in 34 11 FRONT BRAKE .

Fig 2: Identifying Screws Of Brake Anchor Plate

Courtesy of BMW OF NORTH AMERICA, INC.

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

IMPORTANT: Brake discs must not be mixed up (directional ventilation).

Release screws (1) and remove brake disc.

Installation:

Brake disc must be correctly seated on guide pins (2).

Replace screw.

Tightening torque: see 1AZ in 34 11 FRONT BRAKE .

Fig 3: Identifying Guide Pins And Brake Disc Screws

Courtesy of BMW OF NORTH AMERICA, INC.