This is a genuine BMW collapsible box, part number 51 47 2 303 796. The number stamped on the part is 51472303796; BMW's catalog files it under the short number 2303796. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits every E46 body style (320i, 323i and 325i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Luggage compartment box, folding (03_0310) and Luggage compartment box, folding (03_1497). 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.
