BMW E39 540 528 M5 Bulb Socket For Front Turn Signal GENUINE BMW Bulb Socket for Front Turn Signal Brand NEW part with full 1 year warranty. BMW part# 63 12 8 369 219, check fit below. Genuine BMW part, recently made: not been lying around. Please NOTE the mid-year split on PRODUCTION date. See model chart below. Not sure about your car? email us your VIN.