Mishimoto MMRAD-E36-92 E30/E36 Performance Aluminum Radiator Direct fit for the 19881999 BMW E30/E36 W/ 6 Cylinder engine Overall Size: 27.7 x 17.8 x 2.07 / Core Size: 21.46 x 17.13 / Rows: 2 Inlet & Outlet: 1.5 / Core Thickness: 1.57 / Tank Wall Thickness: 0.08 All-aluminum construction includes magnetic drain plug Mishimoto Lifetime Warranty Overall size: 27.7 inch x 17.8 inch x 3.5 inch Inlet: 1.5 inch; outlet: 1.5 inch Drain plug thread size: (M16) .06 inch; drain plug thread length: .047 inch Purchase includes Mishimoto aluminum BMW E36 radiator and magnetic drain plug Limited lifetime warranty