This 2015 BMW M5, with 48k miles, features the desirable Competition Package and a six-speed manual transmission. It has been significantly modified with the Dinan S1 Signature Package, including Stage 3 engine tuning for 710 horsepower, a revised exhaust, air intakes, and a Dinan suspension system. The car also boasts 20-inch HRE wheels, Vorsteiner carbon-fiber exterior bodywork, and a clean Carfax report with a clean Texas title.