34 11 220 Removing And Installing/Replacing Both Front Brake Discs (Brembo GPII)

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 .

Check minimum brake disc thickness:

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

Fig 1: Positioning Special Tool (34 1 280) At Three Measuring Points

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 .

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!

Fig 2: Releasing Screw

Courtesy of BMW OF NORTH AMERICA, INC.