Removing and installing/replacing the DSC control unit (X5 M)

Attention! 

Read and comply with NOTES ON PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD protection).

Necessary preliminary work: 

• Remove HYDRAULIC UNIT .

Release screw (1) and remove holder (2).

Installation note: 

Tightening torque 34 51 4AZ .

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Attention! 

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

Attention! 

Cleaning with compressed air, chemical solvents and sharp-edged objects is not permitted.

Do not touch pressure sensor contacts (2) with your fingers or clean the contacts.

If necessary, clean sealing surface (1) with a plastic scraper or a fluff-free cloth.

Courtesy of BMW OF NORTH AMERICA, INC.

Attention! 

Do not touch, clean or readjust valve coils (1) and contact springs of brake pressure sensor with your fingers.

Check gasket (2) for damage. If damaged, replace DSC control unit (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Make sure screws are inserted evenly and DSC control unit rests on hydraulic unit.

Replace screws.

Observe tightening sequence (1 - 4).

Tightening torque 34 51 1AZ .

Replacement: 

• Carry out ENCODE/PROGRAM
• Steering angle sensor adjustment
• Brake line mix-up test: via scan tool 
• Function check - hydraulic unit