Prices shown for the used 2018 BMW 6 Series Convertible 2D 640i with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want. Our ...

If you're only slightly familiar with BMW's current set of drivetrains you'll be able to guess exactly what lies beneath the body of the 640i xDrive. Its engine is the same straight-six that you ...

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want. Our ...