LEMON Manuals: Even more car manuals for everyone
Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 229 (Brakes - Repair -- Cooper (R57)) >> Mechanical/Hydraulic Components >> 34 51 527 Removing and installing/replacing hydraulic unit for DSC (Until 07/2010)

34 51 527 Removing and installing/replacing hydraulic unit for DSC (Until 07/2010)

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

Necessary preliminary work 

After completing the repair work, BLEED BRAKE SYSTEM .

Press brake pedal down to floor and secure with pedal support.

NOTE: The pedal support may only be released when the brake lines are reconnected.

This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Locating Brake Tensioner
G06916777Courtesy of BMW OF NORTH AMERICA, INC.

Remove line clip (1) from bulkhead.

Disconnect plug connection (2).

IMPORTANT: Do not mix up brake lines and if necessary mark prior to removal.
Close off connecting bores with seal plugs.
Brake lines must not be bent.
Fig 2: Identifying Brake Lines With Clips And Plug Connections
G06916778Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten brake lines (3).

Installation note: 

Tightening torque 34 32 1AZ .

Release screw (1).

The clutch hydraulic line can be easily pressed to one side by release the holder.

Release screw (2).

Installation note: 

Tightening torque 34 51 2AZ .

Fig 3: Raising Hydraulic Unit
G06916779Courtesy of BMW OF NORTH AMERICA, INC.

First raise hydraulic unit (3) a little and then swing out.

Installation note: 

Make sure rubber mounts (1) are correctly fitted in bore holes.

Fig 4: Identifying Rubber Mounts
G06916780Courtesy of BMW OF NORTH AMERICA, INC.

Adjustment of steering angle sensor

Brake line mix-up test:

Function check, hydraulic unit

Replacement