Genuine BMW part 61 35 8 364 174: Starter interlock relay. The number stamped on the part is 61358364174; BMW's catalog files it under the short number 8364174. You will find it on our Electrical shelf, under Control units, modules. It supersedes the older number 8362101, so a part carrying that number is the same part.
It fits every E36 body style (318i, 318ti, 320i, 323i and 325i, 1992–1999), with the M42, M43, M44, M50 or M52 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them Various Relays (61_0926) and Relay, starter interlock (61_4509). It weighs about 48 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.