They do? I had a ZCP and a std M3 and they seemed to be identical..? The only thing different with the brakes were the 1" bigger front rotor and that they were drilled. Not doubting you at all, just curious as to where this information was sourced?
Originally Posted by daytonaviolet
csl/zcp rear calipers have bigger pistons.
"! First rule of Italian driving, that which is in your mirror is not important !"