When Gordon Murray designs a truck, it's worth paying attention. The McLaren F1 road car pioneered a lot of new and creative technology that is still trickling down in consumer cars today, while remaining an excellently built car loved by enthusiasts and that has appreciated in value several folds. It almost defined the brand of form following function in super cars. McLaren are also known for building a lot of their own parts and tools down to the nuts versus using suppliers. Given Gordon Murray's attention to details, there is probably a lot more interesting things about this truck than the article can mention.
Gordon Murray comments in the article that iStream was an inspiration and lessons learned from that project were applied to the OX.
And the concept is taken much further too, the idea of iStream was to replace hard-to-manufacture precision moulded and welded panels used in consturcting the chassis with much simpler tubular construction (while using modern designs to get the rigidity and durability). The entire OX chassis is built with flat panels (from "engineered plywood", I think that's a wood + aluminium composite) and straight tubes, making it really simple to manufacture and assemble but rigid and strong.
This is also where the race car designer background comes into play. Back when he got started, it was all tubular frame construction for the lower end and riveted aluminium monocoques for the top end. Of course his best known works are from the early carbon fiber composite era (mid 1980s) but his background in chassis rigidity must really help.
This is extraordinary. Thanks for sharing. It's amazing that BMW aren't shouting about this from the rooftops. They mention something about social media on the page for the i3 (at least on my local site) but nothing about the manufacturing process used for the body and the other innovations.
