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The CSF all-aluminum radiator for BMW 1 Series M (2011+), 135i (2008–2011) and 335i manual-transmission models provides a high-performance coolant solution for these specific applications. It uses a 2-row core and CSF's B-Tube technology to increase heat transfer, plus multi-louvered fins and CNC brackets. Inlet/outlet fittings match OE connections and the radiator installs as a drop-in replacement.
CSF 2011+ BMW 1 Series M / 08-11 BMW 135i / 07-11 BMW 335i M/T Radiator
