Genuine BMW part 12 90 1 722 005: Cover lid. The number stamped on the part is 12901722005; BMW's catalog files it under the short number 1722005. You will find it on our Electrical shelf, under Other Engine Electrical System parts.
It fits the E46 sedan and coupe (320i, 323i, 325i, 328i, 330i and M3, 1999–2006), with the M52, M54, M56 or S54 engines — and the European-market versions.
BMW draws it on 6 diagrams, among them E-Box-Ventilation (12_0351) and Relay Motor/Control Unit-Box (12_0362). It weighs about 1 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.
