Cover, loudspeaker top-hifi Harman Kardon — a genuine BMW part, number 51 46 8 231 413. The number stamped on the part is 51468231413; BMW's catalog files it under the short number 8231413. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E46 coupe (323i, 325i, 328i, 330i and M3, 2000–2006), with the M52, M54, M56 or S54 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Rear window shelf / sun blind electr (51_3742) and Single Parts F Rear Helf Loudspeaker (65_0562). BMW's catalog calls for two of these at each place it is fitted. It weighs about 49 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.
