Mishimoto MMRAD-E46-323 BMW E46 Non-M Performance Aluminum Radiator, Manual, Silver Direct fit for the 19992006 BMW E46 323i / 325i / 328i / 330i Overall Size: 27.75 x 18.63 x 3.75 / Core Size: 22.8 x 17.75 / Rows: 2 Inlet & Outlet: 1.5, 1.3 / Core Thickness: 1.5 / Tank Wall Thickness: 0.08 18% increase in coolant surface area with a 20% increase in coolant capacity Mishimoto Lifetime Warranty