Necessary preliminary tasks

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Remove left SUSPENSION CROSS-BRACE
Disengage heater feed/heater return water hoses from holders

Disconnect plug connection (1).

Unfasten screws (2).

Fig 1: Identifying Plug Connection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully detach control unit (1) in direction of arrow from hydraulic control unit (2).

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

Fig 2: Disconnecting Control Unit From Hydraulic Control

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Keep sealing faces clean.

Replace screws.

Observe tightening sequence (1-4).

Tightening torque 34 51 1AZ .

Fig 3: DSC Control Unit Bolts Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out programming/encoding.
STEERING ANGLE SENSOR ADJUSTMENT
or
Function check of hydraulic control unit