Amplifier — a genuine BMW part, number 65 25 6 906 074. The number stamped on the part is 65256906074; BMW's catalog files it under the short number 6906074. You will find it on our Instruments & Electronics shelf, under Amplifier.
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 the Single Parts F Antenna-Diversity (65_0481) diagram. It weighs about 114 g (0.3 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
