Direct fit for the manual transmission 2006–2013 BMW 335i and 2007–2012 BMW 135i
Fully brazed two-row aluminum core with robotically TIG-welded end tanks
No modification necessary for installation, functions with all stock...
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Direct fit for BMW N52, N54, and N55 engines
Activates at lower temperature so coolant flows through system earlier
Allows for cooler engine temperatures