Paul 
2007 BMW 5 Series Sedan 550i 4dr Sedan (4.8L 8cyl 6M)
Great car if you're mentally prepared 
 I got this as a CPO in June 2010 and waited until now to write a review so I can report any potential problems. Well, this is a great car if you're mentally prepared for BMW(error messages can appear at any time, rattles could come and go, etc). I was prepared for all this before I bought this fully loaded 550i CPO(sport, premium sound, navi, cold weather, convenience, etc ). Coming from a Lexus, my intro to BMW  was driving the car with a completely dead battery from the dealer lot. After being stranded, changing the battery, receiving the money spent on battery and cab ride from the dealer, the car has been trouble free and I smile every second I drive it. 