34 52 516 Removing and installing / replacing DSC control unit
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. 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).
See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)
.
Necessary preliminary tasks:
- Before removal, read out the control unit fault memory and if necessary print out the diagnostic trouble code.
Installation:
When replacing the control unit, carry out the following tasks with the DIS (Diagnosis and Information System):
- Vehicle coding (performed by the vehicle itself)
- Adjustment of steering angle sensor (performed by the vehicle itself)
- Adjustment of brake pressure sensor (performed by the vehicle itself)
- Adjustment of lateral acceleration sensors (performed by the vehicle itself)
- Function check, hydraulic unit
Unfasten plug connection (1).
Release screws (2) and carefully detach control unit (3) towards front.
IMPORTANT:
Risk of damage to the contacts when removing and installing the hydraulic unit.
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) .
34 52 525 Replacing one front pulse generator