This high-performance 2017 BMW M6 Gran Coupe is a standout edition, one of only around 103 produced with the rare six-speed manual transmission mated to its twin-turbocharged 4.4-liter V8 engine.Finished in striking San Marino Blue Metallic over black extended Merino leather interior, this Houston-based BMW boasts distinctive features like a limited-slip differential and adaptive M suspension.