When is a sedan a sports car? When it’s got a 4.4-liter twin-turbo V-8 pumping out 560 hp between 5750 and 7000 rpm and 500 lb.-ft. of torque between 1500 and 5750 rpm, seven-speed automated dual-clutch gearbox, electronically controlled suspension, differential and steering.
BMW reports the car will get to 100 km/h (or 62 mph) in 4.4 seconds and have a top speed, electronically limited of course, of 155 mph.