34 21 320 Removing and installing/replacing both brake discs

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

Special tools required:

34 1 280 . See BRAKES - SPECIAL TOOLS -- CLUBMAN .

IMPORTANT: Always replace brake discs in pairs.
New brake pads must always be fitted when replacing the brake discs.

Necessary preliminary tasks:

Remove rear brake pads .

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 TECHNICAL DATA - CLUBMAN

New brake linings may only be installed if the brake disc thickness is greater than or equal to the minimum brake disc thickness (MIN TH). See BRAKES - TECHNICAL DATA - CLUBMAN .

Fig 1: Identifying Special Tool (34 1 280)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove holder (2). Installation note: Tightening torque 34 21 2AZ. .

Fig 2: Identifying Screws And Holder

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.

Release mounting bolt (1).

Remove brake disc.

Installation:

Replace screw.

Tightening torque. See 34 21 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: Identifying Mounting Bolt

Courtesy of BMW OF NORTH AMERICA, INC.