Frame — a genuine BMW part, number 51 12 2 251 375. The number stamped on the part is 51122251375; BMW's catalog files it under the short number 2251375. You will find it on our Interior Body shelf, under Door, rear.
It fits the E46 sedan (320i, 323i, 325i, 328i and 330i, 1999–2005), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on the M trim panel, rear (51_3699) diagram. It weighs about 93 g (0.2 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
