Genuine BMW part 01 40 0 156 984: Technical information, German. The number stamped on the part is 01400156984; BMW's catalog files it under the short number 0156984. You will find it on our Supplies & Hardware shelf, under Owner's handbook. It supersedes the older number 0156380, so a part carrying that number is the same part.
It fits every E46 body style (320i, 323i, 325i, 328i and 330i, 1999–2006), with the M52 or M54 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them BMW technical information (01_0207) and BMW technical information (01_1423). It weighs about 67 g (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.