This is a genuine BMW sound insulating trunk floor, part number 51 48 8 153 938. The number stamped on the part is 51488153938; BMW's catalog files it under the short number 8153938. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E36 sedan and coupe (318i, 320i, 323i, 325i, 328i and M3, 1992–1999), with the M40, M42, M43, M44, M50 or M52 and other engines — and the European-market versions.
BMW draws it on the Sound Insulating Rear (51_2083) diagram. It weighs about 1.3 kg (2.8 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
