Genuine BMW part 51 71 8 173 213: Air outlet grille, left. The number stamped on the part is 51718173213; BMW's catalog files it under the short number 8173213. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E36 convertible (318i, 323i, 325i, 328i and M3, 1994–1999), with the M42, M43, M44, M50, M52 or S50 and other engines — and the European-market versions.
BMW draws it on the Interior body trim panel (51_2105) diagram. It weighs about 152 g (0.3 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
