I use to own a G35 coupe and it was a great car, but you can definitely feel the difference in refinement with BMW. I bought my 650i used and so far so good. Any more details on the one you're looking at? Clean title, auto or stick, color, base or sport, options......
2007 BMW 650i | monaco blue | sport package | cold weather package | comfort access | HUD | 6-speed manual