BMW M2 v M4 v M4 GTS: Which Is The Best M Car? - Carfection

To see our latest film before it s on YouTube: http://www.carfection.com Subscribe for more Carfection videos: http://bit.ly/1V1yFYX Which out of the current crop of M cars is the best? Join the Carfection community... Like on Facebook: http://on.fb.me/1RvTdL4 Follow on Twitter: http://bit.ly/1JUAgiI