I have noticed recently a lot of the cars advertised on autotrader with dealers are dropping in price by around £500-1000. I managed to by my Z4 coupe privately at around the value we buy any car put on it. Having said that, it was overdue an inspection 2 service, the discs are 80% worn and the wheels were in need of a refurb. I have now changed the tyres for non runflats, exchanged the wheels at first aid wheels and had the service done. The discs will be replaced next year at some point. My car is a 2008 sport auto with 32,000 miles on it, black with red leather.