This is a genuine BMW bulb socket with rear fog light, part number 63 21 6 920 257. The number stamped on the part is 63216920257; BMW's catalog files it under the short number 6920257. You will find it on our Lighting shelf, under Rear lights.
It fits the E46 compact (316ti, 318ti, 320td and 325ti, 2001–2002), with the M47N, M54, N40 or N42 engines.
BMW draws it on the Rear light Chrom (63_0743) diagram. It weighs about 132 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.
