CSF High-Performance Auxiliary Radiator (CSF #8321):

Because each auxiliary radiator is used for a different system you can elect to replace one at a time. For those looking to further improve the Charge Air Cooling system replace the right side auxiliary radiator. Those looking to improve the engine cooling system should replace the left side.

• Sold Individually – all applications use 2 auxiliary radiators
• Multi-Fit – Fits Both Left & Right Side
• 2-Row, 42mm Ultra-High-Performance Core with CSF’s Exclusive B-Tube Technology
• Ultra Efficient 5mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact
• Tank Volume and Core Size Increased
• 100% All Aluminum TIG-Welded Construction
• OEM Style “Quick Connect” Inlet/Outlet
• True “Drop-in Fit” Requires No Modifications to Install
• Includes Detachable Rock Guard
• Individually Leak and Pressure Tested
• High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement
• Satin Black Finish for OEM Look
• 2-Year Limited Warranty
• Replaces OEM BMW Part#: 17118095285