This is a genuine BMW left inner lateral trim panel, part number 41 21 8 170 645. The number stamped on the part is 41218170645; BMW's catalog files it under the short number 8170645. You will find it on our Exterior Body shelf, under Other Bodywork parts.
It fits the E36 convertible (318i, 323i, 325i, 328i and M3, 1994–1999), with the M42, M43, M44, M50, M52 or S50 and other engines — and the European-market versions.
BMW draws it on the Single Components for Body-Side Frame (41_0847) diagram. It weighs about 4.0 kg (8.8 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
