CSF manufactures the most advanced and efficient radiator in the industry for your S54 Swap E36. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation. 2-Row - 42mm Ultra-High-Performance Core 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, Fittings, and OEM Style Inlet/Outlet 100% All Aluminum TIG-Welded Construction Smooth Satin Finish All-Aluminum Race Style Drain Plug Includes 2 top covers (black and satin) to cover the top plate for a clean OEM+ look Includes fan brackets for 16 inch SPAL Fan (SPAL #30100400 - not included) Includes Oil Cooler Mounting Brackets that fit both the CSF #8240 & CSF #8032 True Plug-and-Play "Drop-in Fit" Installation Requires Absolutely No Modifications Individually Leak and Pressure Tested 2-Year Limited Warranty