Some awesome set-ups! FYI KW Clubsports require a et20 or less in order to run 10" fronts with 275/35 tires. The tires hit the spring (I'm about 2mm away from the spring with et22 9.5" fronts). Some have recommended removing the helper spring to add clearance; I'm not a fan of that idea.
'13 M3 - Silverstone II - Sold
'04 M3 - Jet Black - BBS E88, KW Clubsports