Genuine BMW part 65 90 0 029 428: Addit.power supply, switching centre. The number stamped on the part is 65900029428; BMW's catalog files it under the short number 0029428. You will find it on our Instruments & Electronics shelf, under Navigation systems.
It fits the E46 sedan, coupe, touring and compact (320i, 323i, 325i, 328i, 330i and M3, 1999–2006), with the M52, M54 or S54 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Navi.syst.without SA602/spare parts only (03_2299) and Navigation system with route map (SZ) (03_2303). It weighs about 11 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.
