CSF 07-13 BMW M3 (E9X) Triple Pass RadiatorBrand CSF Part Number 7059 Category Cooling Radiators Condition Brand New Original Manufacturer Packaging CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your E9X M3 running at its best, a CSF High Performance All Aluminum 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