This 2007 BMW M6 convertible is finished in Black Sapphire Metallic over black leather and powered by a 5.0-liter V10 mated to a seven-speed sequential manual gearbox and limited-slip differential. Additional equipment includes a power-operated black soft top, adaptive xenon headlights, iDrive infotainment with navigation, paddle shifters, heated and power-adjustable front sport seats, and Park Distance Control. The seller acquired the car new from Competition BMW in Saint James, New York, and recent service reportedly involved replacement…