The BMW 6 Series is a tight car, and a downright beaut when you throw singer Christina Milian in the driver’s seat. Drop the top and you have a ride with solid Stunt Factor approaching 3. Add some body-matched 20” rims on that thing and Captain Stunt, the ship has reached level 4! Which brings me to my next point: rims and other accessories can take a solid car and up the Stunt Factor big time, so much respect to you Christina. It can work in reverse too. Take customization too far and you go from stuntin’ to clownin’ (here’s a great example of cars that are clownin’)