The CSF High-Performance Engine Oil Cooler is a reinforced, high-efficiency upgrade designed to address the known durability weak points of the factory BMW oil cooler—while keeping an OEM-location, plug-and-play style fit. Built around a rugged bar/plate core with cast end tanks and 100% TIG-welded construction, it’s engineered for sustained high-load use where oil temps and pressure put the OE unit under stress.
Fitment
M5 F10 / M6 F1X — S63
M5 F90 / M8 F9X — S63
M5 G9X — S68
Construction & Design
High-efficiency bar/plate core for improved heat rejection and durability
Cast end tanks with 100% TIG-welded construction
Satin Black finish for OEM+ appearance
Individually leak and pressure tested
OEM+ Installation Details
CNC-machined mounting brackets
OEM-style inlet/outlet connections
True drop-in fitment
Note: CSF recommends trimming OE ducting and the lower radiator cradle for best fitment.
Development Notes
Developed with CarBahn Autoworks to handle the heat demands of their S63 stroker setup
