Looks great, go for it. I thought about going CF on mine but, thought it would clash with a CF diffuser. I've now seen a couple of M's rocking the CF tips and diffuser and it actually looks much better than I thought it would.
2011 Le Mans Blue M3// Black extended Novillo w/ Blue Grey Aluminum trim/DCT/ZTP/ZCW/ZPP/ZCP Premium Sound ///Akrapovic Evolution Exhaust
2012 Le Mans Blue 135i M Pkg DCT
2013 Ford F150 FX4 Supercrew