5 Series M550i xDrive, 4.4L V8 Turbocharged DOHC 32V LEV3-ULEV125 456hp, AWD.We here at the Autobarn are a Market Value Store on all pre-owned cars. With our independent 3rd party partner, we are able to compare over 100,000 vehicles and the data as far as mileage, equipment, and pricing in our market. This allows us to price our vehicles extremely competitive and help reduce your stress when buying a vehicle with us. Complimentary vehicle history reports are available upon request. ... see more