I had a similar dilemma. I went with the Forgestar F14s SDC in the rear and normal for the front...went with Bronzeburst...figured it would compliment Lemans Blue real well.
2011 Le Mans Blue M3// Black extended Novillo w/ Blue Grey Aluminum trim/DCT/ZTP/ZCW/ZPP/ZCP Premium Sound ///Akrapovic Evolution Exhaust
2015 Audi S4 Prestige, Brilliant Black S-tronic
2012 Le Mans Blue 135i M Pkg DCT