BMW uses turbochargers, regenerative braking and an 8-speed automatic transmission to achieve a claimed 16/24-mpg rating on the 550i xDrive ... go higher still with M sport upgrades, different ...

Experience the raw power of the BMW 550i F10 as it accelerates on the autobahn! Watch the full acceleration test, kickdown ...

Experience the full power of the BMW 550i F10 on the German Autobahn ... if they're brought up Why Do Millennials Appear To Be Aging Slower? Here's The Answer. I'm an ex-PwC HR director with 36 years ...