LCI M models have not experienced any power gains. X6 M, X5M, and E9x M3s didn't see any gains. Not expecting any. If there is a bump in HP, I won't mind. This thing is plenty fast.
Current: AW/SO F10 M5 H&R Springs, 12mm/10mm Spacers
Sold:Imola Yellow RS4-KW V3, MTM 10mm spacers, Hotchkis rear sway bar, APR Stage 1, Milltek Catless, RNS-E, Euro RS4 Flat bottom Steering Wheel