34 51 527 Removing and installing/replacing DSC hydraulic unit

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read and comply with GENERAL INSTRUCTIONS .
Remove the right COWL PANEL COVER .

Removal:

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: Pressing Brake Pedal Down To Floor Using Pedal Support

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

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.

Unfasten brake lines (2).

Release screw (3) and remove hydraulic unit (4).

Fig 2: Hydraulic Unit Components Location

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Install hydraulic unit (4).

Fig 3: Hydraulic Unit Components Location

Courtesy of BMW OF NORTH AMERICA, INC.

Fit bolt (3) and tighten.

Tightening torque 34 51 2AZ .

Fit brake lines (2) and tighten.

Tightening torque 34 32 1AZ .

Connect plug connection (1).

Fig 4: Pressing Brake Pedal Down To Floor Using Pedal Support

Courtesy of BMW OF NORTH AMERICA, INC.

Remove pedal support.

Required follow-up work:

Bleed BRAKE SYSTEM .
Adjust steering angle sensor.
Function check - hydraulic unit.

Replacement only:

Carry out PROGRAMMING/ENCODING .