CLEAN CARFAX, LOCAL TRADE, and MANAGER SPECIAL. 2D Coupe and 3.0L I6 Turbocharged Intercooled. You Win! Yeah baby! If you're looking for an used vehicle in outstanding condition, look no further than this 2012 BMW 6 Series. You won't need to get out your tools for a long, long time when you drive this puppy home. Great condition is the one of the most desirable traits in an used vehicle, and this 6 Series is the definition of it.