Gasket ring — a genuine BMW part, number 17 21 1 712 965. The number stamped on the part is 17211712965; BMW's catalog files it under the short number 1712965. You will find it on our Cooling System shelf, under Oil cooler.
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 6 diagrams, among them Radiator (17_0089) and Radiator (17_0099).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.