This is a genuine BMW reinforcement, part number 51 21 7 013 779. The number stamped on the part is 51217013779; BMW's catalog files it under the short number 7013779. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E46 sedan, coupe, convertible and touring (320i, 323i, 325i, 328i, 330i and M3, 1999–2006), with the M52, M54 or S54 engines — and the European-market versions.
BMW draws it on the Door mechanism front (up to 09/00) (41_1111) diagram. It weighs about 46 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.
