BMW E9X M3 / 335i Race-Spec Transmission/Oil Cooler

The engineers at CSF know cooling. So when it comes to keeping your transmission temps down as you push your M3 / 335i hard on the street or track, the CSF Trans/Oil Cooler is the obvious choice. With an increase in cooling efficiency of around 30%, you can drive with confidence knowing you won't be damaging your expensive transmission due to overheating.

Features

• 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 approximately 30% More Efficient than OEM Cooler
• World's 1st True "Plug-And-Play" Transmission Cooler for The E9X M3 Platform
• Replaces OEM Part Number: 17227521376

Applications

• 2007-2011 BMW E90 335i - Turbocharged 3.0L L6
• 2007-2013 BMW E92 335i - Turbocharged 3.0L L6
• 2007-2013 BMW E93 335i - Turbocharged 3.0L L6
• 2009-2011 BMW E90 335i xDrive - Turbocharged 3.0L L6
• 2009-2013 BMW E92 335i xDrive - Turbocharged 3.0L L6
• 2011-2013 BMW E92 335is - Turbocharged 3.0L L6
• 2011-2013 BMW E93 335is - Turbocharged 3.0L L6
• 2007-2008 BMW E90 335xi - Turbocharged 3.0L L6
• 2008 BMW E92 335xi - Turbocharged 3.0L L6
• 2008-2012 BMW E90 M3 - 4.0L V8
• 2008-2013 BMW E92 M3 - 4.0L V8
• 2008-2013 BMW E93 M3 - 4.0L V8
• 2013-2015 BMW E84 X1 xDrive35i - Turbocharged 3.0L L6

OEM Part Numbers

• BMW: 17 22 7 521 376
• BMW: 17-22-7-521-376
• BMW: 17227521376