This information on the 1994 Bugatti Cyan by Rinspeed is derived from: https://www.rinspeed.com/en/Cyan_43_concept-car.html#mehrlesen
"World premiere at the Geneva Motor Show 1994
At the time, when Ettore Bugatti created his revolutionary machines, he was cooperating very closely with various coach workers in France and abroad. This for a good reason, as the specialized companies helped to create individual and customer specific looks and functions. This is why that many of the renown Bugattis share the same technical specifications, but have a different look.
This traditional of the beginning of the automotive industry are the base of the world novelty presented by the famous Swiss customizing company RINSPEED DESIGN, located in Zumikon near Zürich
The RINSPEED BUGATTI "CYAN"
Whereas in early years the coachbuilders were the tailors for automotive desires und individual wishes, today the car customizing companies have taken these tasks over.