Genuine BMW part 21 52 1 160 414: Plug-in pipe. The number stamped on the part is 21521160414; BMW's catalog files it under the short number 1160414. You will find it on our Clutch & Flywheel shelf, under Clutch control (hydraulics).
It fits every E36 body style (318i, 318ti, 320i, 325i, 328i and M3, 1992–1999), with the M42, M43, M44, M50, M52 or S50 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Clutch control (21_0063) and Clutch control (21_0289). It weighs about 131 g (0.3 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
