Hi-Performance Front Auxiliary Radiator for BMW M2, M3 M4 2014-20 with S55 motor. You lose power when your intake of air increases in temperature. Replace the small thin auxiliary heat exchanged that comes in front of your regular engine radiator.
Features:
All aluminum radiator with aluminum TIG-welded end caps for extra strength stronger end caps
Aluminum CNC machined "quick Disconnect" inlet and outlet connections
The core dual thickness high-efficiency coils for lower coolants temperature
Dual flow allows the coolant to pass through the core twice for extra cooling efficiency