Plug-in socket — a genuine BMW part, number 61 13 2 942 251. The number stamped on the part is 61132942251; BMW's catalog files it under the short number 2942251. You will find it on our Electrical shelf, under Plug connection, terminal.
It fits the E36 sedan and coupe (318i, 320i, 325i, 328i and M3, 1992–1998), with the M42, M43, M50, M52 or S50 engines — and the European-market versions.
BMW draws it on the Trailer Hitch/Electr.Attaching Parts (71_0112) diagram.
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.