This is a genuine BMW connector, part number 21 52 1 165 107. The number stamped on the part is 21521165107; BMW's catalog files it under the short number 1165107. You will find it on our Clutch & Flywheel shelf, under Clutch control (hydraulics).
It fits every E36 body style (318i, 318ti, 320i, 323i, 325i, 328i and M3, 1992–1999), with the M42, M43, M44, M50, M52 or S50 and other engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Clutch control (21_0059) and Clutch control (21_0289). It weighs about 4 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.