This is the 650 BMW F13 6 Series convertible caught testing in Nurburgring. Dubbed as one of the most beautiful cars that BMW has ever built, it gets even more exciting as it sheds more camouflage.
Below is the production schedule for the F12 / F13 BMW 6 Series coupe and convertible:
MY 2012
March 2011 – 650cv
July 2011 – 650cp
September 2011 – 640cp/cv
September 2011 – 650xi cp/cv
Source: Bimmerpost