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Home >> BMW >> 2003 >> M3 2D Convertible >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs/Traction Control - Overview (E46) >> E46 Traction And Stability Control Systems >> DSC III MK20 >> Components >> Brake Light Switch

Brake Light Switch

The brake light input signal is used by the control module to interrupt an ASC regulation control if the driver steps on the brakes during its operation.

This interruption does not take place during DSC regulation.