This is a genuine BMW tooth washer, part number 51 71 4 199 830. The number stamped on the part is 51714199830; BMW's catalog files it under the short number 4199830. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E36 convertible (318i, 323i, 325i, 328i and M3, 1994–1999), with the M42, M43, M44, M50, M52 or S50 and other engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Splash Wall Parts (41_0936) and Various body parts (51_4106). BMW's catalog calls for two of these at each place it is fitted. It weighs about 24 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.
