This is a genuine BMW adapter for basic carrier systems, part number 82 71 0 443 100. The number stamped on the part is 82710443100; BMW's catalog files it under the short number 0443100. You will find it on our Merchandise & Accessories shelf, under Other Universal Accessories parts.
It fits every E36 body style (318i, 318ti, 320i, 323i and 325i, 1992–1999), with the M40, M42, M43, M44, M50 or M52 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them Support-tube heightening (03_3278) and Support-tube heightening (03_3279). It weighs about 1.2 kg (2.7 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
