BMW's official achievement accomplice has adapted the B7 with a adapted adaptation of the Bavarian firm's twin-turbocharged 4.4-liter V8 agent with direct-injection that delivers 500-horsepower (compared to the accepted 750i's 400HP V8) and a ample 516 lb-ft (700Nm) of torque. The 2011 BMW Alpina B7 will make its North American debut at the 2010 Chicago Auto Show. Pricing will be announced closer to launch date.