This is awesome.
BMW Zoombike Prototype. Germany, 1989
Commuter folder bike study from BMW with alumiunum framework. All integrated systems like 3-speed drive train, front and rear light with rechargeable battery. Carbon disc wheels.
Designed by Richard Sapper for BMW car company. Only some prototypes had been made, no serial production. Very original except upgraded Flite titanium saddle and brake levers.