Welcome lights
WARNING: This page does not describe the selected car, but rather 45 other vehicles, including the 2016 BMW M5, 2016 BMW 550i xDrive, 2016 BMW 550i, 2016 BMW 535i xDrive, and 2016 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.
The welcome lights are activated when the vehicle is unlocked (light switch in the "automatic driving lights control" or "low-beam headlights" position). The footwell module (FRM) or the Body Domain Controller (BDC) switches on the side lights and the side marker light using the headlight driver module for around 20 seconds. The footwell module (FRM) or the Body Domain
Controller (BDC) switches the welcome lights to dim once the shifting time has elapsed.