This is a genuine BMW clamp, part number 51 44 8 187 424. The number stamped on the part is 51448187424; BMW's catalog files it under the short number 8187424. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E36 sedan and touring (318i, 320i, 325i, 328i and M3, 1992–1999), with the M42, M43, M50, M52 or S50 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Sliding Lifting Roof Frame (54_0190) and Sliding Lifting Roof Frame (54_0191). BMW's catalog calls for two of these at each place it is fitted. It weighs about 7 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.
