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

Special tools required:

34 1 280

IMPORTANT: Brake discs must only be replaced in pairs (per axle).
Fit new brake discs only together with new brake pads.

Necessary preliminary tasks:

Remove front BRAKE PADS

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

Release screws (1).

Remove brake caliper and tie back.

Installation:

Tightening torque 34 11 2AZ .

Fig 1: Identifying Brake Caliper Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 2: Checking Minimum Brake Disc Thickness

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: New brake pads may only be fitted if the brake disc thickness is greater than the minimum brake disc thickness (MIN TH).

IMPORTANT: When removing the brake disc: On no account strike the friction ring with a hammer or similar object! If necessary, carefully tap with a rubber hammer against the brake disc nave.

Release screw (1) and remove brake disc.

Installation:

Replace screw (1).

Tightening torque 34 11 1AZ .

Fig 3: Removing Brake Disc Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Clean contract face of wheel hub thoroughly and remove any traces of rust if necessary.

Irregularities in the contact surface can cause distortion in the brake disc!