Socket contact JPT — a genuine BMW part, number 12 51 7 548 500. The number stamped on the part is 12517548500; BMW's catalog files it under the short number 7548500. You will find it on our Electrical shelf, under Engine wiring harness.
It fits every E36 body style (318i, 318ti, 320i, 323i and 325i, 1992–1999), with the M40, M42, M43, M44, M50 or M52 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them GA6F21WA mounting parts/gaskets (24_1063) and GA6F21WA mounting parts/gaskets (24_1238). BMW lists the quantity used as “as required”. It weighs about 1 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.