Retrofit kit, voice input system — a genuine BMW part, number 84 64 0 394 042. The number stamped on the part is 84640394042; BMW's catalog files it under the short number 0394042. You will find it on our Instruments & Electronics shelf, under Other Communication systems parts.
It fits every E46 body style (320i, 323i and 325i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on the Retrofit kit, voice input (03_3478) diagram. It weighs about 670 g (1.5 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
