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CSF Race Spec Oil Cooler for N55 M235i/335i/435i

$359.10 $399.00


  • Innovative 2-Core In-Series System
  • Secondary In-Series Backside Cooler has an Additional 5 Rows of Cooling for a ~40% Increase in Heat Rejection
  • Made with CSF’s AC Condenser Technology Using a 1-Row Super-High Pressure 26mm Multi-Channel Microtube
  • High-Density Multi-Louvered Fin Design for Maximum Surface Area Contact
  • Converted to a Single-Pass Design with High Pressure Return Line for Optimal Flow
  • “Drop-In Fit” Requiring No Modifications to Install – Accepts All Attaching OEM Components Including Oil-Line Connections, Mounting Brackets and Shroud/Ducting
  • World’s 1st and Only True “Plug-And-Play” Upgraded Engine Oil Cooler for the BMW N55 Engine
  • Track Tested and Proven by Hittman Racing’s M235iR Endurance Race Car  
  • Requires Additional ½ Quart for Proper Fill-up During Installation (OEM Cooler: 7 Qts./ CSF’s Upgrade Race-Spec N55 Oil Cooler: ~7.5 Quarts)
  • For a More In-Depth Look Please Check Out the CSF N55 Oil Cooler Press Release
  • OEM #: 17217618360