One of the newest members to BMW's M Performance line up. The new generation M550i Xdrive is fastest production 5 series BMW has ever made!! 0 to 60 MPH in 3.9 seconds. It produces 456 Horsepower & 480 foot pounds of torque. This one is Bluestone Metallic with Cognac Dakota Leather. Very nice Exhaust Sound. BMW Review. Car Review. PLEASE share on your other Media Sources. Thumbs Up for Caroline!!