This is a genuine BMW connecting sleeve, part number 24 10 1 423 242. The number stamped on the part is 24101423242; BMW's catalog files it under the short number 1423242. You will find it on our Transmission shelf, under Mounting / suspension.
It fits every E46 body style (320i, 323i, 325i, 328i and 330i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 5 diagrams, among them A5s560z Transmission Housing (24_0713) and A5s440z Mounting Parts/Packings (24_0720). 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.
