Genuine BMW part 61 61 8 263 686: Wiper blade guide, wiper arm. The number stamped on the part is 61618263686; BMW's catalog files it under the short number 8263686. You will find it on our Electrical shelf, under Windscreen wiper.
It fits the E46 sedan, coupe, convertible and touring (320i, 323i, 325i, 328i, 330i and M3, 1999–2006), with the M52, M54 or S54 engines — and the European-market versions.
BMW draws it on the Wiper arm/wiper blade (61_1065) diagram. BMW's catalog calls for two of these at each place it is fitted. It weighs about 8 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
