Full details on BMW’s new quad-turbocharged diesel

Earlier this month we brought you the first details on a new BMW diesel engine equipped with four turbochargers. BMW has finally released full details on the engine which makes its debut in the 7-Series flagship sedan. It was only in 2012 that BMW unveiled a triple-turbocharged diesel engine that delivered 381 horsepower and 546 pound-feet of... Full details on BMW’s new quad-turbocharged diesel