CSF Race-Spec Dual-Pass Oil Cooler / BMW / E46 / M3 / S54

Description CSF 00-06 BMW M3 (E46) Race-Spec Dual-Pass Oil Cooler Features and benefits of CSFoil cooler include Designed, Developed, and Track Proven in Collaboration with BMW M3 Tuning Specialist and Parts Manufacturers Replaces OEM Unit Single-Pass Design and Plastic Shroud with a Unique Top/Bottom Dual-Pass Design for Maximum Surface Area and Flow “Drop-in Fit” Requiring No Modifications to Install – Accepts Factory Oil-Line Connections Fully TIG-Welded Extruded-Endtank Design vs. OEM Mechanically Jointed and Tack-Welded Design for Superior Reliability & Durability.

Fits Precisely with the Contour of the OEM Bumper – No Issues with Aftermarket Splitter Attachment Turbulated Heavy-Duty Bar/Plate Design for the Most Reliable & Durable Oil Cooler Available for the Platform 8 Rows of Maximum Cooling with a High Density Multi-Louvered Fin Pitch Design Designed to Work with OEM Radiator Brackets or CSF’s All-Aluminum Triple-Pass Radiator (CSF #7058) Motorsport Silver Finish OE replacement parts 17-21-2-228-942 /17 21 2 228 942 /17212228942.