Autocar Heroes: BMW E30 M3 vs M3 CSL vs M2 Competition - what's the best M Car ever?

So which is it to be? What is the greatest ever product of BMW's performance arm, the M Division?

Is it the BMW E30 M3, the compact 3-Series that was homologated for the road to go racing and, to many, is the epitome of an M car? Could it be the E46 M3 CSL, the lightweight, hardcore version of that generation M3, which had one of the finest engines ever made? Or the car we're bookending the feature with, the very latest M2 Competition?

Or is there one we've missed? Join our testers Mauro Calo and Matt Prior as they try to decide what is the greatest driver's BMW ever.

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