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Home >> Mini >> 2017 >> Cooper Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Brakes - Repair (F57) >> 34 31 Foot Brake/Tandem Brake Master Cylinder >> Removing and installing/replacing tandem brake master cylinder (Cooper Convertible)

Removing and installing/replacing tandem brake master cylinder (Cooper Convertible)

Special tools required: 

Preliminary work needed: 

Attention! 

Before beginning the repair work, fully press the brake pedal several times to reduce the vacuum in the brake booster.

Attention! 

Do not bend brake lines.

Close off brake lines and tandem brake master cylinder with seal plugs 32 1 270.

Unfasten brake lines (1).

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

G11648471Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace sealing ring (1).

Check rubber plugs (2) and replace if necessary.

G11648472Courtesy of BMW OF NORTH AMERICA, INC.

When inserting the tandem brake master cylinder (1) into the brake booster, make sure the anti-roll bar link of the brake booster and the tandem brake master cylinder meet each other on one level.

G11648473Courtesy of BMW OF NORTH AMERICA, INC.

Insert nuts (2) and tighten.

Replace self-locking nuts.

Tightening torque 34 31 1AZ .

Insert brake lines (1) and tighten down.

Tightening torque 34 32 1AZ .

G11648471Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: