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
- Can be used as a Transmission Oil Cooler for E9X M3 with DCT or Engine Oil Cooler for 6MT
- World's 1st True "Plug-And-Play" Transmission Cooler for The E9X M3 Platform
- Replaces OEM Part Number: 17227521376
Applications
| Year Range | Make | Chassis Code | Model | Trim | Engine / Trans / Etc | Notes |
| 2007-2011 | BMW | E90 | 335i | - | Turbocharged 3.0L L6 | - |
| 2012-2013 | BMW | E92 | 335i | - | Turbocharged 3.0L L6 | - |
| 2009-2011 | BMW | E90 | 335i xDrive | - | Turbocharged 3.0L L6 | - |
| 2012-2013 | BMW | E92 | 335i xDrive | - | Turbocharged 3.0L L6 | - |
| 2011-2013 | BMW | E92 | 335is | - | Turbocharged 3.0L L6 | - |
| 2007-2008 | BMW | E90 | 335xi | - | Turbocharged 3.0L L6 | - |
| 2008-2012 | BMW | E90 | M3 | - | 4.0L V8 | - |
| 2013 | BMW | E92 | 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
