Heat resistance plate engine support — a genuine BMW part, number 51 48 8 173 388. The number stamped on the part is 51488173388; BMW's catalog files it under the short number 8173388. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits every E36 body style (318i, 318ti, 320i, 323i, 325i and 328i, 1992–1999), with the M42, M43, M44, M50 or M52 engines — and the European-market versions.
BMW draws it on 3 diagrams, among them Heat insulation and air duct (51_2047) and Heat insulation (51_2111). It weighs about 150 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.
