BMW has unveiled the M3 CRT (Carbon Racing Technology) at a pre-event leading up to this weekend’s 24 Hours of Nurburgring. With ample use of carbon fibre and titanium components, the 450 horsepower M3 has a weight-to-power ratio of 7.7 pounds per horsepower. The car comes in an exclusive Frozen Polar Silver metallic with Melbourne Red metallic trim, with various exclusive trim. Also unique to the CRT are the two individual rear seats. Only 67 M3 CRTs will be built, and none will be sold in the U.S.