Genuine BMW part 24 35 7 540 512: Pressure regulator solenoid valve kit. The number stamped on the part is 24357540512; BMW's catalog files it under the short number 7540512. You will find it on our Transmission shelf, under Other Automatic transmission parts.
It fits every E36 body style (318i, 318ti, 323i and 328i, 1992–1999), with the M43, M44 or M52 engines — and the European-market versions. It also fits the E46 sedan (318i, 1997–1999), with the M43 engine.
BMW draws it on 3 diagrams, among them A4S 270R/310R solenoid valve/cable set (24_0804) and A4S 270R/310R solenoid valve/cable set (24_1585). It weighs about 152 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.
