The next Generation 5 series to have a 3 cylinder 150 PS Motor, suppose it could be half as good as the six cylinder ones.
Neuer BMW 5er (2016): Auch als Sparversion mit Dreizylinder! - autobild.de
My wifes car is a three cylinder VW Polo and it is NOT fun to drive, it is rough noisy and feels like it has got very Little torque.
Suppose it is the current trend on the quest for Low Fuel economy