This is my 4th BMW in the past 15 years and by far the best. The smooth engine/transmission cannot be beat. Local mpg is about 25 and highway is always 31-32 mpg at speed limit plus. The seats are comfortable even after 15 hour interstate runs. It has operated perfectly in all ways with the only trips to the dealer for oil and regular service. I did not originally like the body design but the driving balance and smooth functioning of the car have won me over. i-drive works easily if you spend 10 minutes to learn it rather than fearing and griping about it.