Purchased my Platinum Bronze Metallic X3 certified pre-owned in 2010. I've owned many cars, and exclusively SUV's (2 Grand Cherokees and a Toyota Highlander) since the early 90's and this is by far the best handling, best performing car I've ever owned. It accelerates like a dream. If you're buying one CPO, purchase the extended maintenance warranty. I've had several repairs after the "service soon" light came on, and they were all covered under the warranty. All around a great car, loaded with luxury features, and and exhilarating driving experience!
Handling (smooth-shifting automatic transmission and steering), panoramic moon-roof, supportive leather seats with power lumbar support, heated front and rear seats, genuine walnut interior trim, sound system, storage compartments galore, and the overall high-quality feel of the interior.
Make navigation and Xenon Headlight standard! The leather could be softer, as it is on certain other BMW's. The rear seats need more padding. Rear-visability isn't the greatest. No low gears for driving in the snow (which I refuse to do because of).