This is a genuine BMW expanding rivet, part number 65 75 8 357 500. The number stamped on the part is 65758357500; BMW's catalog files it under the short number 8357500. You will find it on our Instruments & Electronics shelf, under Alarm system.
It fits every E36 body style (318i, 318ti, 320i, 323i, 325i and 328i, 1992–1999), with the M40, M42, M43, M44, M50 or M52 engines — and the European-market versions.
BMW draws it on 3 diagrams, among them Various switches (61_0754) and Alarm system (65_1008). It weighs about 2 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.
