CSF E9x M3 High Performance Aluminum Radiator

2 Row 42mm Core (Dual Core) Featuring CSF’s Exclusive B-Tube Technology Core Features an Ultra-Efficient Fin with 6.5mm Fin Height and Multi-Louvered Design for Maximum Surface Area Contact Triple-Pass Flow Structure Allows the Coolant to Flow Across the Core of the Radiator Three Times Before Exiting for Lowest Outlet Temperatures Possible CNC Machined “Quick-Connect” Inlet/Outlet Connections CNC Machined Brackets and Fittings for Superb Fit and Durability All-Aluminum Race Style Drain Plug 1-Hour “Mirror Finish” Hand Polish  “Drop-in Fit” Requiring No Modifications to Install – Accepts All Attaching OEM Components Including “Quick Connect” Hoses, AC Condenser, Mounting Brackets and Fan Shroud OEM #: 17112283468 This Part Fits the Following Vehicles Make Model Submodel Engine BMW E90 M3 S65 4.0L BMW E92 M3 S65 4.0L BMW E93 M3 S65 4.0L