We knew the 2015 BMW M3 sedan and 2015 BMW M4 coupe would pack a serious performance punch, and now we know just how much M fans will pay to enjoy the 425-hp, 3.0-liter turbocharged twins. The 2015 ...
Originally, the BMW M3 was offered only as a 2-door coupe. Then came a 4-door sedan, and then a 2-door convertible. Now, the 2015 BMW M4 replaces the M3 Coupe and M3 Convertible, in accordance with ...