Genuine BMW part 24 00 1 421 849: Screw plug, outer hexagon. The number stamped on the part is 24001421849; BMW's catalog files it under the short number 1421849. You will find it on our Transmission shelf, under Other Automatic transmission parts.
It fits every E36 body style (318i, 318ti, 323i, 325i and 328i, 1992–1999), with the M40, M42, M43, M44, M50 or M52 engines — and the European-market versions. It also fits the E46 sedan (316i 1.9 and 318i, 1997–2001), with the M43 engine.
BMW draws it on 4 diagrams, among them A4S 270R/310R mounting parts/gaskets (24_0798) and A4S 270R/310R mounting parts/gaskets (24_1298). It weighs about 10 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.
