Today, hardly anyone remembers the CEMSA (Caproni) F11 from the late 1940s. But some famous cars such as the Lancia Flavia, the Alfa Romeo Alfasud or the Citroën GS benefited technically from the Italian mid-range car, which unfortunately never went into production. This report describes the history and technology of this innovative self-supporting car with a water-cooled boxer engine, front-wheel drive and independent suspension all round, and explains its significance for automotive history. The report is illustrated with many historical photos, some of which have never been published before.