What did the Infiniti dealer performed service history reveal? First thing any prospectvie Infiniti owner inpsects! Did you verify 3,750 miles oil change interval? Did the Infiniti technician you hired prior to purchasing the vehicle perform a leak down test?Mujtu wrote:I bought my car in end 2007 without reading lot of stuff about it .then i had the same problem like most people have in a 03 m45 , started consuming lots of oil.