Originally Posted by KSERGEI-BY
I would say it has a commercial sense for the manufacturer, but no more. It is known that downsized turbo engines, like say audi's 1.4t are good on paper, but still thirsty and short on torque in the real world. Im sorry, I still enjoy my 2 liter M52B20 inline 6
I used to have an M52B25, and they are really nice sounding, smooth engines. But my F20 116i with a 4 cylinder turbo engine still has the M52B20 beaten on real life torque and fuel efficiency by a good margin.
You straight six is far better on throttle response, though. Very enjoyable.