Genuine BMW part 41 12 8 122 398: Holder, backrest. The number stamped on the part is 41128122398; BMW's catalog files it under the short number 8122398. You will find it on our Exterior Body shelf, under Other Bodywork parts.
It fits the E36 sedan, coupe, touring and compact (318i, 318ti, 320i, 323i, 325i and 328i, 1992–1999), with the M40, M42, M43, M44, M50 or M52 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Rear Floor Parts (41_0857) and Rear Floor Parts (41_0943). It weighs about 39 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.