Airtec Motorsport Chargecooler Radiator BMW M140i M240i 340i 440i B58Were proud to launch our front mount chargecooler radiator upgrade aimed at BMW B58 models for fast road or track use. The Issue As the performance of chargecooled engines depends on the temperature of the coolant inside the system, its very important to ensure it runs as cool as possible for as long as possible. As the standard system can struggle to maintain temperature, especially on a tuned application, the keys to ensuring a consistently lower