Clamp — a genuine BMW part, number 51 24 7 062 290. The number stamped on the part is 51247062290; BMW's catalog files it under the short number 7062290. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E46 sedan, coupe and convertible (320i, 323i, 325i, 328i, 330i and M3, 1999–2006), with the M52, M54, M56 or S54 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Single Components for Trunk Lid (41_0055) and Trunk Lid/Closing System (41_1368).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.