CSF Radiators BMW B58 Gen2 High Performance Heat Exchanger With Rock Guard For BMW G Series & Toyota SupraThe 2nd Gen B58 engine, found in high performance vehicles like the BMW G20 M340i, G22 M440i, and G42 M240i, faces a common issue with its liquid cooled charge air cooler system: rapid heat soak with no ability to recover. This results in dangerously high intake air temperatures (IATs), causing the ECU to cut power and potentially put the car into limp mode. This problem becomes even more apparent during spirited driving or track use. At the Global