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Home >> BMW >> 2005 >> 745Li >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting Systems - Overview >> Lighting Systems >> Components >> Brake Light Switch >> Limp-Home Functions
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Limp-Home Functions

The function of the brake light is assured even when the LM is in limp-home mode. Internal circuitry connects the brake-light-switch output directly to the lamp drivers. The function rules out the possibility of PWM operation.