RK aerial compensator SA644 — a genuine BMW part, number 84 64 0 301 717. The number stamped on the part is 84640301717; BMW's catalog files it under the short number 0301717. You will find it on our Instruments & Electronics shelf, under Other Communication systems parts.
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 the Retrofit kit, antenna amplifier (03_3092) diagram. It weighs about 376 g (0.8 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
