BMW F8X M3/M4 Front Mount Heat Exchanger w/ rock guard - Silver GTR Sensor ports are M22x1

Sensor ports are M22x1

This type of core was selected both for the cooling efficiency

Dual-Pass Oil Cooler

They connect to the factory charge pipes but can be replaced down the line if you want to upgrade your turbo

CSF added threaded bolt inserts (M8 x 1

BMW F8X M3/M4 Front Mount Heat Exchanger w/ rock guard - Silver GTR Sensor ports are M22x1The S55 power BMW F8X suffers heavily from heat soak. While the ideal solution is pairing the Front Mount Heat Exchanger with the Charge Air Cooler, you can still see significant improvements with just the Heat Exchanger. The ability for the system to remove as much heat as possible is the bigger of the two weak points in the system. So if you are planning to upgrade your S55 cooling system and can only start with one, the Heat Exchanger is the right