JBE: Junction Box Electronics
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.
The Junction Box Electronics (JBE) requests information on ambient brightness from the rain-light-solar-condensation sensor through the LIN bus. The junction box electronics (JBE) send the status to the footwell module (FRM). The footwell module (FRM) assesses the status of the ambient brightness.
Vehicles with Body Domain Controller (BDC): The function was integrated into the Body Domain Controller (BDC) from the junction box electronics (JBE).