Ja MA you read that right, this M4 is making 708 horsepower at the WHEELS...
http://www.bmwblog.com/2015/07/02/this-bmw-m4-makes-700-horsepower-at-the-wheel/

http://www.bmwblog.com/2015/07/02/this-bmw-m4-makes-700-horsepower-at-the-wheel/