Genuine BMW part 65 12 9 402 275: Retrofit kit, short rod aerial. The number stamped on the part is 65129402275; BMW's catalog files it under the short number 9402275. You will find it on our Instruments & Electronics shelf, under Radio, amplifier, CD player.
It fits the E36 convertible (318i, 323i, 325i, 328i and M3, 1994–1999), with the M43, M50, M52 or S50 engines — and the European-market versions.
BMW draws it on the Rod aerial (03_2378) diagram. It weighs about 430 g (0.9 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.