Product Description
AEM Cold Air Intake 21-825DS Fits 2007-2010 BMW 135i / 335i N54
- Increased horsepower
- Tuned and dyno-tested to improve acceleration and engine sound
- Easy to install using commonly available tools
- Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
- Washable and reusable oil-free filter media
- Roto-molded, Aerodynamic Air Box
- AEM Lifetime Limited Warranty
This Performance Air Intake System allows your engine to breathe more air compared to the restrictive factory air intake housing. It is designed, tuned and dyno-tested to produce more horsepower and torque. Air enters the system from the factory fresh air inlets. through replacement air duct and into a roto-molded, aerodynamic AEM air box containing an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance.The cone shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). This Air Intake System is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the vehicle applications to determine the legal status for each vehicle.
| Estimated Horsepower Gain | 8.7 HP @ 4300 RPM |
| Replacement Filter | 21-1017DK |
| Air Filter Color | Gray |
| Air Filter Material | Non-woven Synthetic |
| Air Filter Outlet Shape | Oval |
| Clamps Included | No Clamps Required |
| Clamp Material | No Clamps Required |
| Clamp Style | No Clamps Required |
| Couplers Included | Not Required |
| Product Style | AEM Cold Air Intake System |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Cross-Linked Polyethylene |
| Street Legal In All US States | No |
| TUV Approved (Europe) | No |
| Weight | 7 lb (3.2 kg) |
| Product Box Height | 14 in (356 mm) |
| Product Box Length | 24 in (610 mm) |
| Product Box Width | 14 in (356 mm) |
| California Restricted | Not legal for sale or use in California |
| Mounting Hardware Included | Yes |
| Warranty | Limited Lifetime |
