This is a genuine BMW slip ring, part number 32 31 1 159 065. The number stamped on the part is 32311159065; BMW's catalog files it under the short number 1159065. You will find it on our Steering shelf, under Other Steering parts.
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 5 diagrams, among them Sports Steering Wheel M-Technik (32_0610) and Sports steering wheel (32_0611). It weighs about 50 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.