Genuine BMW part 17 11 2 248 409: Coolant fitting. The number stamped on the part is 17112248409; BMW's catalog files it under the short number 2248409. You will find it on our Cooling System shelf, under Radiator with mounting.
It fits the E46 sedan, coupe, touring and compact (318d, 320d, 320td and 330d, 1998–2004), with the M47, M47N, M57 or M57N engines.
BMW draws it on 3 diagrams, among them Expansion tank, automatic gearbox (17_0141) and Expansion tank, automatic gearbox (17_0304). It weighs about 70 g (0.2 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
