CSF Radiators

F-Chassis N55 Race-Spec Oil Cooler

  • Sale
  • Regular price $529.00


  • 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)
  • OEM #: 17217618360

Year Model Sub-Model Chassis Code Engine Code
11-16 135i(X) 5 doors F20 N55
11-16 M135i(X) 3 doors F21 N55
12-16 M235i(X) Coupe F22 N55
14-16 M235i(X) Convertible F23 N55
14-16 M235i Racing Coupe MS BMW Sport N55
11-15 335i(X) Sedan F30 N55
11-15 Hybrid 3 Sedan F30 N55
11-15 335i(X) Touring F31 N55
12-16 335i(X) Gran Turismo F34 GT N55
12-16 435i(X) Coupe F32 N55
13-16 435i(X) Convertible F33 N55
13-16 435i(X) Gran Coupe F36 Gran Coupe N55