Hi ,I recently bought bmw 320d auto 2008 177bhp , and the car compsampsion is 29-30 mpg in tow driving , in book says 38mpg ,This is big difference ,does anyone have same car and what MPG you get ??? Is this normal 30mpg ? I hed rover 75 2003 2.0d auto and volvo s60 2.4d auto and they all does 30mpg, I tought my new bmw will be better on mpg,car running great .I tought may be reading is wrong on computer but I acualy count milage and fuel and it is still 30mpg .I am driving 20 miles jurne night time in not match trafici on the road.TYRES NEW ENERGY EFFICIENT