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The CSF front-mount heat exchanger and transmission cooler module for BMW F9X X3M/X4M combines a 2-row heat exchanger with an upgraded dual-core transmission cooler into a single drop-in unit. Built using CSF's microtube and B-Tube technologies, TIG-welded aluminum tanks, CNC brackets and an integrated metal rock guard, it increases core volume and cooling capacity while fitting the OEM location without modifications.
CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module
