This is a genuine BMW guide tube, part number 54 12 8 206 390. The number stamped on the part is 54128206390; BMW's catalog files it under the short number 8206390. You will find it on our Exterior Body shelf, under Other Sliding Roof / Folding Top parts.
It fits the E36 sedan, coupe, touring and compact (318i, 318ti, 320i, 323i, 325i, 328i and M3, 1992–1999), with the M42, M43, M44, M50, M52 or S50 and other engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Sliding Lifting Roof Drive (54_0175) and Sliding Lifting Roof Drive (54_0176). It weighs about 310 g (0.7 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
