The second generation of BMW M6 was introduced for the 2006 model year. This new series of M6 cars were available as either coupes (E63) or convertibles (E64). These cars were fitted with BMW's S85 5.0L V10 engine, which was capable of producing 500hp. In addition to its powerplant, the M6 featured lightened construction throughout the chassis and body. Transmission options consisted of a 6 speed manual (only available in North America), and a 7 speed SMG automatic transmission. Four main variants of the E63 M6 were built: Coupe - Manual, Coupe - Automatic, Convertible - Manual, and Convertible - Automatic. Built until 2010, the E63 M6 saw a total of 14,152 examples produced. The third generation BMW M6, known as the F12 BMW M6, debuted for the 2012 model year.