Genuine BMW part 25 16 1 423 532: Cage nut. The number stamped on the part is 25161423532; BMW's catalog files it under the short number 1423532. You will find it on our Transmission shelf, under Gearshift.
It fits the E46 sedan, coupe, convertible and touring (320i, 323i, 325i, 328i and 330i, 1999–2006), with the M52 or M54 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them Autom.Transmiss.Steptronic Shift Parts (25_0003) and Autom.Transmiss.Steptronic Shift Parts (25_0264). BMW's catalog calls for three of these at each place it is fitted.
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.