34 52 516 Removing and installing / replacing DSC control unit
WARNING: This page is about a different car, the 2007 BMW 550i, 2006 BMW 550i, 2005 BMW 545i, and 2004 BMW 545i. 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). Refer to 61 35 ... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)
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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, refer to 34 51 1AZ in BRAKES - TIGHTENING TORQUES - E60 .