One of 678 U.S.-market M Coupes with the E46 M3's S54 engine, and one of 27 configured in Black Sapphire Metallic over Black Nappa leather with the optional sunroof. Reported modifications include Dinan engine software, a Dinan cold-air intake and strut tower brace, a high-flow air mass meter, aftermarket exhaust components, a billet short shifter, and a Diffsonline three-disc limited-slip differential. The rear window shows discoloration, and the seller notes a left-side incident while the car was parked in November 2010.