The Light Control Module is also shorted called LCM which manages all the individual lights of the car.It take a important role in the automobile illumination system.Many BMW owners found these symptoms:
1.Lights would turn on without the car running.
2.Main beam light stay on even if you have locked your car.
3.Have no lights at all on one side.
These problems are caused by a short circuit or interruption of an internal transistor in the LCM.You can ask dealers to replace the entire LCM,but it is $400,need to reset BMW Light Control Module and
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