This is a genuine BMW stop buffer, part number 63 12 6 915 853. The number stamped on the part is 63126915853; BMW's catalog files it under the short number 6915853. You will find it on our Lighting shelf, under Headlight.
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 Single components for headlight (63_0721) diagram. BMW's catalog calls for four of these at each place it is fitted. It weighs about 7 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
