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DSC Button

The DSC button is located on the SZM, however the SZM provides no processing, it is simply a housing for the button which is hardwired to the MK60 control unit.

The DSC Button features two functions that can be set by varying the time the button is held down for:

BUTTON ACTIVATION REFERENCE CHART

Button activation Function Display
Short press <2.5s Only the yaw control of the DSC is deactivated. The ADB and DBC functions remain active.
A higher slip ratio is allowed up to 42 mph for the purpose of improving traction in slippery conditions. ASC uses different thresholds.
DSC light illuminated
Long press >2.5s
All ASC, ADB, DSC, GMR (yaw control) and DBC control functions are deactivated.
Used for service and use on dynamometers. DSC light and general brake warning light (yellow ABL) illuminated.

Pressing the button again returns the system to normal status. It is not possible to go directly from one function to the next without first returning to normal status.

Fig 1: Identifying DSC Button
G03396115Courtesy of BMW OF NORTH AMERICA, INC.