This is a genuine BMW left rear door brake grommet, part number 51 22 8 231 995. The number stamped on the part is 51228231995; BMW's catalog files it under the short number 8231995. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E46 sedan and touring (320i, 323i, 325i, 328i and 330i, 1999–2005), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Rear door, hinge/door brake (41_1102) and Rear door, hinge/door brake (41_1275). It weighs about 60 g (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.
