34 31 500 Removing and installing/replacing brake master cylinder

WARNING: This page is about a different car, the 2016 MINI Cooper Paceman, 2015 MINI Cooper Paceman, 2014 MINI Cooper Paceman, and 2013 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

32 1 270

Necessary preliminary work:

Remove EXPANSION TANK .
Remove HEATER END PANEL .
Read and comply with GENERAL INFORMATION .

After completing repair work, bleed BRAKE SYSTEM WITH DSC .

IMPORTANT: Do not bend brake lines.
Close off brake lines and brake master cylinder with seal plugs 32 1 270 .

Unfasten brake lines (1).

Installation note:

Tightening torque 34 32 1AZ .

Fig 1: Releasing Brake Lines

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (2) and feed brake master cylinder out of brake servo.

Installation note:

Replace self-locking nuts.

Tightening torque 34 31 1AZ .

Installation note:

Replace sealing ring (1).

Check rubber plugs (2) and replace if necessary.

Fig 2: Identifying Sealing Ring And Rubber Plugs

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

When inserting the brake master cylinder (1) into the brake servo, make sure the pressure rod of the brake servo and the brake master cylinder meet each other on one level.

Fig 3: Identifying Sealing Ring And Rubber Plugs

Courtesy of BMW OF NORTH AMERICA, INC.