This is a genuine BMW flange nut, part number 41 21 8 227 672. The number stamped on the part is 41218227672; BMW's catalog files it under the short number 8227672. You will find it on our Exterior Body shelf, under Other Bodywork parts.
It fits the E46 sedan, coupe, touring and compact (320i, 323i, 325i and 328i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them Single Components for Body-Side Frame (41_1095) and Body-Side Frame (41_1261). It weighs about 20 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.
