CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your 1M/135i/335i 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 vehicles which need added cooling performance in motorsports environments.
Fits: BMW 1M (E82), BMW 135i/335i/535i (N54), BMW 335i/335is (N55). Confirm fitment with us before ordering.
