34 52 516 Removing and installing/replacing DSC control unit

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on ESD PROTECTION (ELECTRO STATIC DISCHARGE) (E82) or ESD PROTECTION (ELECTRO STATIC DISCHARGE) (E82)

Necessary preliminary tasks:

Remove hydraulic unit .

IMPORTANT: Removing pump motor from valve block is not permitted!
Do not twist pump motor.

IMPORTANT: Secure provided retaining lugs (2) from repair kit for control unit with aid of plugs (3).

Close off pipe connections with plugs (1).

Fig 1: Identifying DSC Hydraulic Unit Plugs And Retaining Lugs

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Control unit must not come into contact with dirt or moisture.

Contacts must not be bent!

Release screws (1) and carefully remove control unit (2).

Installation:

Tightening torque, see 34 51 SLIP CONTROL SYSTEM (DSC) .

Fig 2: Removing Screws And Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out programming/coding
Adjustment of steering angle sensor . See 61 31 996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT .
Mix-up check of brake lines