hi there im mick i live in redcar in cleveland im currently a rav4 owner im looking at buying a 2005-2007 x3 2.0 d m sport preferably black with leather and satnav iv owned a few 4x4s in the past im just wondering what things i should be looking out for when buying also what mpg i should get. are they chain or cam belt etc etc any advice would be greatly welcome thank you in advance mick