This is a genuine BMW sound insulating cover, part number 51 48 1 977 564. The number stamped on the part is 51481977564; BMW's catalog files it under the short number 1977564. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E36 coupe and convertible (318i, 323i, 325i, 328i and M3, 1992–1999), with the M42, M43, M44, M50, M52 or S50 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Sound Insulating Front (51_2071) and Sound insulation (51_2110). It weighs about 380 g (0.8 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
