The Mishimoto Performance Air-to-Water Intercooler Power Pack for 2015–2020 BMW F8X M3, M4 and M2 Competition upgrades the stock S55 intercooling with a bar-and-plate core and a single-pass coolant layout to optimize heat transfer. Tested as a full pack, it delivered measurable intake and coolant temperature reductions and documented gains on a stage-1 tuned M3. Available in multiple BMW-specific colors or classic black.
Mishimoto 15-20 BMW F8X M3/M4 Performance Air-to-Water Intercooler Power Pack - Yas Marina Blue