By reducing the S54’s displacement from 3

simulating the G forces in such an event

one lifter required per valve

perfectly matching the OEM dimensions for seamless installation

or NHRA-spec BMW platforms

CSF Auxiliary Radiators, BMW G8X M E46 328 By reducing the S54’s displacementSold Individually. 2 Required for all applications. The CSF High Performance Auxiliary Radiators are a key addition to CSFs proven G8X Cooling Suite for the BMW G8X M3, M4, and M2. While the factory auxiliary radiators perform adequately in stock form, increased power levels and sustained aggressive driving quickly expose the limits of the OEM cooling system. As S58 owners continue to push higher horsepower and harder track use, these auxiliary