CSF Race-Spec Dual-Pass Oil Cooler BMW E46 M3 / E39 M5

CSF, The Cooling Experts, have been serving the US aftermarket for almost 4 decades. With over 30 million units sold, CSF is your exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators and Pressure Caps.

- Designed, Developed, and Track Proven in Collaboration with BMW M3 Tuning Specialist and Parts Manufacturer, Rogue Engineering

- 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

- 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