Starting with its carbon-fiber roof and ending at the 19-inch alloy wheels wrapped in sticky Continental Z-rated rubber, BMW's Motorsport Division has performed a top-to-bottom revamp of the 6 Series coupe along side with its full heads up display in creating the M6. At just over 3,900 pounds, the M6 is not exactly a featherweight contender, but that carbon-fiber roof both enhances the coupe's appearance and lowers its center of gravity. Powered by a 500-horsepower V10 and hooked to a seven-speed Sequential transmission, this nearly 2 tons of Munich machinations can sprint to 100 Kph in 4.6 seconds and blast through the quarter-mile in 12.8 seconds at 189 Kph. Coincidentally limited to 250KPHAshton011 811 4008071 165 1126 (cell)