
CSF Race Spec Engine Oil Cooler for N54/N55/S65 M3/1M/335i/is/xi
Made with CSF’s AC Condenser Technology Using a 1-Row Super-High Pressure 22mm Wide 11-Channel Microtube Dual-Pass High-Performance Core with 11 Cooling Tubes vs. OEM 10 Tube Design High-Density Multi-Louvered Fin Design with 20% More Surface Area Contact Compared to OEM Unit “Drop-in Fit” Requiring No Modifications to Install – Accepts All Attaching OEM Components Including Oil-Line Connections, Mounting Brackets and Shroud/Ducting Lab Tested at ~30% More Efficient Than OEM Cooler World’s 1st True “Plug-and-Play” Transmission Cooler for The E9X M3 Platform OEM #: 17227521376 Fitment: 06-11 335i(xi) Sedan E90 N54/N55 Oil Cooler 06-12 335i(xi) Touring E91 N54/N55 Oil Cooler 07-13 335i(xi) Coupe E92 N54/N55 Oil Cooler 08-13 335i Convertible E93 N54/N55 Oil Cooler 08-13 335is Coupe E93 N54T Oil Cooler 13-15 X1 xDrive35i E84 N55 Oil Cooler 07-12 M3 (DCT) Sedan E90 S65 Trans Cooler 07-12 M3 (6MT) Sedan E90 S65 Oil Cooler 07-13 M3 (DCT) Coupe E92 S65 Trans Cooler 07-13 M3 (6MT) Coupe E92 S65 Oil Cooler 07-13 M3 (DCT) Convertible E93 S65 Trans Cooler 07-13 M3 (6MT) Convertible E93 S65 Oil Cooler