Car and Driver Takes the 2018 BMW M550i xDrive for a Spin
A writer from Car and Driver recently had the extreme good fortune to take the 2018 BMW 550i xDrive for a trip on the A8 autobahn in Germany, and he took full advantage of the opportunity to open the throttle wide and experience the full unleashed power of the 4.4-liter V8 twin-turbo engine. Due to…
