Originally Posted by David@ApexRaceParts
If you remove the helper spring on the KW clubsports, it should fit without any issues, since the helper spring causes the spring perch to sit lower than needed. Coilovers that utilize a 6" linear spring in the front should not lose any inner clearance as the spring perch should still be above the wheel and tire.
Thank you for the suggestion but aren't the helper springs there for a reason?
'13 SSII M3 Coupe - KW Clubsport 3-way (Eibach Front Spring Conversion), Akrapovic Evolution, ESS Tune, StopTech Trophy, IND Euro Front Bumper and Gloss Black Mirror Covers, TMS Studs/Lugs, BMW Performance Carbon Fiber Spoiler/Interior Trim/Center Console, BMW Edition Grills/Gills, BMWPedals Extended DCT Paddles, Mode Carbon GT4 Splitter, Advan TC3 (18x9.5/10.5), BBS E05 (18x10/11), G-Force Rivals (275/35/18, 295/35/18)