it could be adaptive fog lamps (I think the f30s have them)
coming from an x5 whenever my steering wheel is turned a certain direction, let's say left, the left fog light would turn on to sort of illuminate the ground to the left some more. same with the right
Current Mods: BMS Stage 2 , Ultra Racing Strut Bar , 19" M5 Reps Staggered , more to come!
Awaiting funds: ER Catless Downpipe , BMW PE , M-Sport BBK, Coils.... Donations Welcomed
Awaiting developement: Sway bars