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Home >> BMW >> 1999 >> 328is Standard >> Repair and Diagnosis (Single Page) >> Suspension >> Electronic Suspension >> Dynamic Stability Control Systems - Overview >> Dynamic Stability Control Systems >> E46 Dynamic Stability Control (DSC III) >> Components >> Brake Light Switch
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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.