Genuine BMW part 84 50 6 907 085: Roof antenna base, dualband. The number stamped on the part is 84506907085; BMW's catalog files it under the short number 6907085. You will find it on our Instruments & Electronics shelf, under Antenna.
It fits the E46 sedan, coupe and touring (320i, 323i, 325i, 328i and 330i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 3 diagrams, among them Single Parts F Telephone Roof Antenna (84_0015) and Single parts f Cordless teleph. antenna (84_0453). It weighs about 70 g (0.2 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
