34 52 516 Removing and installing/replacing DSC control unit (Countryman 2017-2023, except PHEV)

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Preliminary work needed :

Remove HYDRAULIC UNIT .

Removal :

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

Courtesy of BMW

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

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

Courtesy of BMW

Preparation for installation :

IMPORTANT: 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

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

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

Courtesy of BMW

Installation :

Installation note :

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

Replace screws.

Observe tightening sequence (1-3).

Tightening torque 34 51 1AZ .

Fig 1: DSC Control Unit Rests On Hydraulic Unit Screws Tightening Sequence

Courtesy of BMW

Attach holder (2).

Insert screws (1) and tighten.

Tightening torque 34 51 2AZ .

Courtesy of BMW

Required reworking :

Installing the HYDRAULIC UNIT .

Replacement :

Carry out programming/coding .