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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 >> BOSCH DSC III 5.7 >> System Components >> Brake Light Switch (BLS)
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Brake Light Switch (BLS)

The brake switch is an input to the DSC to inform it that the brakes are being applied. If the signal is received during an ASC control, brake regulation is interrupted.

Fig 1: Identifying Brake Light Switch
G03396139Courtesy of BMW OF NORTH AMERICA, INC.