//1M //M2 //M4 Video Auto Express Video Track Battle: BMW 1M vs M2 vs M4 by Gabriel Bridger August 3, 2016 We’ve done our own 1M vs M2 comparison and our own 1M vs M4 comparison. Now it’s Auto Express’ turn on the track. The winner? It’s both what you’d expect and what you won’t. FacebookTwitterPinterestLinkedinRedditMixEmail