34 52 516 Removing and installing/replacing DSC control unit

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. 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 Damage (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: Control Unit And Screws

G04726704

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Replace all seals in area (1).

Fig 2: Seal Area

G04726705

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Keep sealing faces clean.

Replace screws.

Observe tightening sequence (1-4).

For tightening torque refer to 34 51 1AZ in 34 51 SLIP CONTROL SYSTEM (DSC) .

Fig 3: DSC Control Unit Bolts Tightening/Loosening Sequence

G04726706

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out programming/coding
Steering angle sensor adjustment
or

Carry out adjustment for active front steering
Mix-up check of brake lines
Function check, hydraulic unit