Retrofit kit, M rear apron, primed — a genuine BMW part, number 51 12 9 402 928. The number stamped on the part is 51129402928; BMW's catalog files it under the short number 9402928. You will find it on our Interior Body shelf, under Door, rear.
It fits the E36 compact (318ti, 1995–1999), with the M42 or M44 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them BMW type approval (01_1409) and Retrofit, M aerodynamic kit (03_0798). It weighs about 4.9 kg (11 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
