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

WARNING: This page is about a different variant/trim than selected.

Notes

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 BRAKING IN NEW BRAKE DISCS/BRAKE PADS .

Release screws (1).

Remove brake caliper with brake anchor plate in direction of arrow and tie up.

Installation:

Tightening torque 34 11 2AZ .

Fig 1: Removing Brake Caliper With Brake Anchor Plate

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: 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).

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 3: Releasing Screw

Courtesy of BMW OF NORTH AMERICA, INC.

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.