BMW's twin-turbo 3.0L inline-six has been a rousing success, with nothing less than a Wards 10 Best Engines award sitting in its trophy case. The praise is understandable and well-deserved, as the ...

BMW has a rich history of building great ... Email is sent Email has already been sent Base MSRP $149,400 Engine 4.4L Twin-Turbo V8 Gas Horsepower 631 hp @ 5,600 rpm Torque 590 lb-ft @ 1,800 ...

Power comes from a modified version of the BMW S68 4.4-liter V8 motor with dual ... of torque from its 4.4L twin-turbo V8, is a couple of tenths slower than the XB7 and has an MSRP of $111,900.