CSF offers the best and most advanced Oil Coolers on the market. So when it comes to keeping your engine oil temps down as you push your E46 M3 / E39 M3 hard on the street or track, a CSF Oil Cooler is the obvious choice.
- 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 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