Bulb socket with rear fog light — a genuine BMW part, number 63 21 6 912 509. The number stamped on the part is 63216912509; BMW's catalog files it under the short number 6912509. You will find it on our Lighting shelf, under Rear lights.
It fits the E46 compact (316ti, 318td, 318ti, 320td and 325ti, 2001–2004), with the M47N, M54, N40, N42, N45 or N46 engines.
BMW draws it on the Rear light (63_0679) diagram. It weighs about 136 g (0.3 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
