This is a genuine BMW fixing clamp right, part number 12 90 1 730 562. The number stamped on the part is 12901730562; BMW's catalog files it under the short number 1730562. You will find it on our Electrical shelf, under Other Engine Electrical System parts.
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 DMC Cover and Mounting Parts (12_0496) diagram. It weighs about 11 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.