CSF BMW E6X M5 and M6 S85 engine radiator improves the efficiency of the vehicle's cooling system with its 2-Row, 42mm Ultra-High-Performance Core Cooling Tubes and CSF’s Exclusive B-Tube Technology. PRODUCT SPECIFICATION 2-Row, 42mm Ultra-High-Performance Core Cooling Tubes with CSF’s Exclusive B-Tube Technology 6.5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact CNC Machined Mounting Brackets and OEM Style “Quick Connect” Inlet/Outlet 100% All Aluminum TIG-Welded Construction Satin Finish True Plug-and-Play “Drop-in Fit” Installation Requires Absolutely No Modifications Individually Leak and Pressure Tested 2-Year Limited Warranty TECHNOLOGY CSF manufactures the most advanced and efficient radiator cores in the industry by using innovative tube and fin technologies with industry-leading testing methods to maximise airflow and heat dissipation. These techniques allow CSF to stay ahead of the pack when it comes to radiator technology! COMPATIBILITY CSF-7218 Radiator fits the following vehicles: BMW E60 M5 Saloon BMW E61 M5 Touring BMW E63 M6 Coupe BMW E64 M6 Cabriolet