Genuine BMW part 41 14 8 122 359: Bracket expansion tank. The number stamped on the part is 41148122359; BMW's catalog files it under the short number 8122359. You will find it on our Exterior Body shelf, under Other Bodywork parts.
It fits the E36 sedan, coupe and touring (318i, 320i, 323i, 325i, 328i and M3, 1992–1999), with the M40, M42, M43, M44, M50 or M52 and other engines — and the European-market versions.
BMW draws it on the Floor Panel Trunk/Wheel Housing Rear (41_0942) diagram. It weighs about 47 g (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.
