34 52 516 Removing and installing/replacing DSC control unit

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with 61 35 ... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Necessary preliminary tasks:

Remove hydraulic unit, see 34 51 527 Removing and installing/replacing DSC hydraulic unit .

Replacement:

Carry out programming/coding using appropriate BMW service tool.
Adjustment of steering angle sensor
Mix-up check of brake lines
Function check, hydraulic unit

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

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

Fig 1: Control Unit And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Keep sealing faces clean.

Replace screws.

Observe tightening sequence (1-4).

Tightening torque: 34 51 1AZ, see 34 51 SLIP CONTROL SYSTEM (ABS, ASC+T, DSC) .

Fig 2: Hydraulic Unit Screw Sequence

Courtesy of BMW OF NORTH AMERICA, INC.