Maintains lubrication under high-temperature operation

and it is a direct bolt-on fit for all 6-cylinder E30 models from 1988 to 1991

BMW M52TU/M54 engines

2012–2018     BMW F06/F12/F13 Alpina     B6 Bi-Turbo

CSF Race-Spec Oil Cooler, BMW E9X M3 S65B40 Maintains lubrication under high-temperature operationThe CSF Race Spec Oil Cooler is a TIG welded oil cooler with a cast endtank. This is the most reliable and durable option for the E9X M3 market, offering a perfect fit without the need for shroud trimming. Designed and Developed in Collaboration with High Performance Supercharger System Manufacturer VF Engineering Drop in Fit Requiring No Modifications to Install Accepts All Attaching OEM Components Including Oil Line Connections, Mounting Brackets