Repair cable, belt tensioner — a genuine BMW part, number 61 12 8 380 935. The number stamped on the part is 61128380935; BMW's catalog files it under the short number 8380935. You will find it on our Electrical shelf, under Auxiliary cable.
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 the Various Additional Wiring Sets (61_0931) diagram. BMW's catalog calls for two of these at each place it is fitted. It weighs about 18 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.