CSF Race-Spec Oil Cooler (BMW E46 M3)


CSF’s ultra-high quality All-Aluminium Race-Spec Engine Oil Cooler for the BMW E46 M3. A true must for all BMW 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-end tank 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
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