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The CSF all-aluminum radiator for 2011+ BMW 1 Series M, 335i (2007–2011) and Z4 sDrive30i/35i (A/T) is a dedicated replacement with specific fitment guidance. It features a 2-row core with B-Tube technology, multi-louvered fins and CNC-machined brackets. Fitment notes advise changes if substituting certain BMW transmission cooler setups; inlet/outlet connections match OE and it installs as a drop-in unit.
CSF 2011+ BMW 1 Series M / 07-11 BMW 335i / 2009+ BMW Z4 sDrive30i/Z4 sDrive35i (A/T Only) Radiator
