Threaded plug — a genuine BMW part, number 41 31 8 199 941. The number stamped on the part is 41318199941; BMW's catalog files it under the short number 8199941. You will find it on our Exterior Body shelf, under Other Bodywork parts.
It fits the E46 sedan, coupe, touring and compact (320i, 323i, 325i and 328i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 8 diagrams, among them Retrofit kit, roof railing (03_0206) and Body-Side Frame (41_0050). 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.
