Base B+ — a genuine BMW part, number 61 13 8 371 010. The number stamped on the part is 61138371010; BMW's catalog files it under the short number 8371010. You will find it on our Electrical shelf, under Plug connection, terminal.
It fits the E36 compact (316i 1.9, 1999), with the M43 engine. It also fits the E46 sedan, coupe and touring (320i, 323i and 328i, 1999–2005), with the M52 engine — and the European-market versions.
BMW draws it on 3 diagrams, among them Battery Cable (12_0905) and Battery Cable (12_2002). It weighs about 100 g (0.2 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.