CSF Racing 2-Row High Performance Aluminium RadiatorBMW E36 M3 3 Series High Performance All Aluminium Radiator CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your E36 M3 3 Series running at its best, a CSF High Performance All Aluminium Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must have for both high horsepower builds as well as race vehicles which need added cooling