//M Models //M6 E9 3.0 CSL Reviews 1972 3.0 CSL vs 2014 M6 Competition – Does 40 Years Equal Progress? Almost three years ago to the day I drove a 1972 BMW 3.0 CSL down this very road. Temporarily forgetting the car’s value and... by Gabriel Bridger August 19, 2014August 24, 2014