34 52 516 Removing and installing/replacing DSC control unit

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks

Remove HYDRAULIC UNIT

IMPORTANT: Risk of damage to the contacts when removing and installing the hydraulic unit.

Release screws (1) and carefully detach control unit (2) towards front.

Fig 1: Identifying Front Brake Control Unit With Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Replace all seals in area (1).

Fig 2: Identifying Seals Area

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Keep sealing faces clean.

Replace screws.

Observe tightening sequence (1-4).

Tightening torque 34 51 1AZ .

Fig 3: DSC Control Unit Bolts Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out Vehicle programming and encoding
STEERING ANGLE SENSOR ADJUSTMENT
or

ADJUSTMENT FOR ACTIVE STEERING
Brake line interchange check:
Function check, hydraulic unit