This is a genuine BMW wiring drivers side, part number 61 10 8 365 837. The number stamped on the part is 61108365837; BMW's catalog files it under the short number 8365837. You will find it on our Electrical shelf, under Supplementary cable sets.
It fits the E36 coupe (318i, 323i, 328i and M3, 1992–1999), with the M42, M44, M52 or S50 engines — and the European-market versions.
BMW draws it on the Door cable harness (61_0068) diagram. It weighs about 660 g (1.5 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.