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The CSF Race-Spec engine oil cooler for 2006–2010 BMW E60 M5 and E63/E64 M6 replaces the factory unit with a reinforced, bar/plate core that is 40% larger and thicker (63mm vs OE 45mm) to increase cooling capacity. CSF strengthens feed and return areas, adds TIG-welded end tanks and a braced return tube. The unit is leak‑tested and suited for owners updating cooling for street, track or forced-induction use.
CSF 06-10 BMW E60 M5 / E63 / E64 M6 Race-Spec Oil Cooler
