Mishimoto 2015+ BMW F8X M3/M4 Performance Air-to-Water Intercooler Power PackBMW has a knack for maintaining their stake as the benchmark when it comes to performance luxury vehicles, with the F8X generation being no exception. The S55 that powers the 2015 2020 BMW F8X M3, M4 and M2 Competition is dripping with technology, which includes an air to water intercooling system for a means of keeping cool. Where BMW's intercooling system design was enough to help bring this generation of mid sized M's to their peak, we here at