This is a genuine BMW foil, part number 51 11 2 233 788. The number stamped on the part is 51112233788; BMW's catalog files it under the short number 2233788. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits every E36 body style (318i, 318ti, 320i, 323i and 325i, 1992–1999), with the M40, M42, M43, M44, M50 or M52 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Retrofit, M aerodynamic kit (03_0774) and Retrofit, M aerodynamic kit (03_0798). It weighs about 27 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.
