Aston Martin is lining-up special edition models of two of its popular sports coupes for Frankfurt. The company has unveiled the Aston Martin Carbon Edition ahead of its official debut tomorrow at the Frankfurt Motor show. The V12 sports car will be available in coupe as well as convertible versions. Aston Martin has also added two new colours to the options list as well. Customers will now get an option of Flame Orange and Ceramic Grey together with the existing Carbon Black for the new DBS Carbon Edition.