CSF Race-Spec oil cooler for BMW E46 M3

CSF Race BMW E46 M3 Race-Spec Dual Pass Oil Cooler Designed, developed and tested in collaboration with BMW M3 tuning specialists and parts manufacturer, Rogue Engineering. Replaces OEM unit single pass design and plastic cover with a unique top/bottom dual pass design for maximum surface area and flow. "Drop-in fit" requires no modifications to install. Accepts factory oil line connectionsFully TIG welded tank construction with extruded end versus mechanically bonded and welded OEM design for superior reliability and durabilityMatches exact contour of OEM bumper. Turbulent Heavy/Duty Bar/Plate design for the most reliable and durable oil cooler for the platform8 rows of maximum cooling with a high-density, multi-fin fin slot designDesigned for use with OEM radiator brackets or CSF's all-aluminum triple radiator (CSF #7058).