CSF’s ultra-high quality All-Aluminium Race-Spec Engine Oil Cooler for the E46 M3. A true must for all E46 M3s for fast road, track or race use or with tuned/force-induced engines.

• Designed, developed and track-proven in collaboration with BMW M3 tuning specialist parts manufacturer, Rogue Engineering
• Replaces OEM unit single-pass design
• ‘Drop-in fit’ requiring no modifications for install. Accepts all attaching OEM components including oil-line connections, mounting brackets and shroud/ducting
• The only cooler available on the market today that requires no cutting of shroud
• Fully TIG-welded cast-endtank design vs. OEM mechanically jointed and tack-welded design for superior reliability and durability
• Tapered cast-endtank design fits precisely with the contour of the OEM bumper. No issues with aftermarket splitter attachment either
• Turbulated heavy duty bar/plate design for the most reliable & durable oil cooler available for the platform
• 8 rows of maximum cooling with a high density multi-louvered fin pitch design
• Motorsport silver finish