Thanks for the really fast replies. I see that you have 7,526 posts, and probably have driven numerous BMW's, so I value and appreciate your opinions. Both the used cars that I am looking at have about the same mileage. I plan on keeping the car for many years and only putting on 2000-5000 miles per year during the summer months. I don't really need the hardtop, since I'll have the top down most of the time. Does the M3 perform that much better than the 335i? I would like to buy the car soon, during the cold winter months, because I'll probably get the best deal. Thanks again for your help.