2-Row � 42mm Ultra-High-Performance Core Cooling Tubes with CSF�s Exclusive B-Tube Technology New 5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact CNC Machined Mounting Brackets and OEM Style Inlet/Outlet 100% All Aluminum TIG-Welded Construction Hand Brushed Satin Finish True Plug-and-Play �Drop-in Fit� Installation Requires Absolutely No Modifications Individually Leak and Pressure Tested 2-Year Limited Warranty Feature CSF OEM # Core Rows 2-Row 1-Row Core Thickness 42mm 34mm # Cooling Tubes 67 76 # Cooling Fin Rows 68 77 Fin Height 5mm 4.5mm Core Material Aluminum Aluminum Tank Material Aluminum Plastic Construction 100% TIG Welded Crimp on Gasket Fitment 2016-2019 BMW F3X 340i (incl. xDrive) 2017-2020 BMW F3X 440i (incl. xDrive) 2017-2021 BMW F2X M240i (incl. xDrive) 2016-2019 BMW F2X M140i (incl. xDrive) 2017-2019 BMW F3X 330i w/ M Sport Package (incl. xDrive) 2017-2020 BMW F3X 430i w/ M Sport Package (incl. xDrive) 2017-2020 BMW F2X 230i w/ M Sport Package (incl. xDrive)