Shaft — a genuine BMW part, number 64 11 1 387 948. The number stamped on the part is 64111387948; BMW's catalog files it under the short number 1387948. You will find it on our AC & Climate Control shelf, under Other Heater and Air Conditioning parts.
It fits the E36 sedan, coupe, convertible and touring (318i, 320i, 323i, 325i, 328i and M3, 1992–1999), with the M40, M42, M43, M50, M52 or S50 engines — and the European-market versions.
BMW draws it on the Shaft (64_0179) diagram. It weighs about 26 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.