1975 BMW R90S. 900cc Boxer Twin.Each decade has their icons and it is safe to say that the BMW R90S is up there with the best, if not the best, iconic super bikes of the 1970s. One thing is performance, another is looks: The R90S came in a subtle grey and black fade and in an orange and silver fade, named Daytona Orange. Why be discreet when you owned the fastest thing on the road in the 1970s? This lovely R90S has matching numbers for engine and frame and is in its first, original