The first concept vehicle developed under BMW Technik GmbH, the Z1 features removable body panels constructed from GE’s Xenoy injection-cast thermoplastic along with a roll-hoop integrated into the windscreen surround, continuously zinc-welded seams, and vertically retracting doors. This example is finished in Urgrün Metallic and features a retractable black soft top and an integrated hard boot cover. Body cracks around the left-side door lock are depicted in the gallery below.

Seven-spoke 16″ wheels are mounted with staggered-width Dunlop…