Description
Part #: knn57S-2003
The K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engine’s RPM range. A fully enclosed injection molded air box connects to the factory air intake hose. The removable lid provides easy access to the filter when cleaning is required. This performance air box is relatively easy to install. The required tools are commonly available and it uses the previous air box space. These air box systems are built to last for the life of your vehicle and they’re backed by K&N’s Million Mile Limited Warranty. Some K&N 57S Series Performance Airboxes are compliant with the latest TUV emissions and sound regulations. Check the K&N catalog or website for vehicle applications and specific TUV status for each vehicle and air intake.VEHICLE APPLICATIONS
2010 BMW 335i 3.0L L6 Gas
Non-US Models, N54 Eng.
Street Legal in All US States: No
TUV Approved (Europe): No
2010 BMW 335i xDrive 3.0L L6 Gas
Non-US Models, N54 Eng.
Street Legal in All US States: No
TUV Approved (Europe): No
2010 BMW 335i xDrive 3.0L L6 Gas
Non-US Models, N54 Eng.
Street Legal in All US States: No
TUV Approved (Europe): No
2009 BMW 335i 3.0L L6 Gas
All Models
Street Legal in All US States: No
TUV Approved (Europe): No
2009 BMW 335i xDrive 3.0L L6 Gas
All Models
Street Legal in All US States: No
TUV Approved (Europe): No
2008 BMW 335i 3.0L L6 Gas
All Models
Street Legal in All US States: No
TUV Approved (Europe): No
2008 BMW 335i xDrive 3.0L L6 Gas
All Models
Street Legal in All US States: No
TUV Approved (Europe): No
2007 BMW 335i 3.0L L6 Gas
All Models
Street Legal in All US States: No
TUV Approved (Europe): No
2007 BMW 335i xDrive 3.0L L6 Gas
All Models
Street Legal in All US States: No
TUV Approved (Europe): No
2006 BMW 335i 3.0L L6 Gas
All Models
Street Legal in All US States: No
TUV Approved (Europe): No
2006 BMW 335i xDrive 3.0L L6 Gas
All Models
Street Legal in All US States: No
TUV Approved (Europe): No
| Estimated Horsepower Gain | 9.9 HP @ 3200 RPM |
| Replacement Filter | RU-5293 |
| Air Filter Color | Red |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Clamps Included | No Clamps Required |
| Clamp Material | No Clamps Required |
| Clamp Style | No Clamps Required |
| Couplers Included | Not Required |
| Type | Gen II |
| Product Style | 57i Series International Kits |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Cross-Linked Polyethylene |
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