Description
The K&N Filters FIPK Air Intake Kit for BMW 3 Series 1999-2004 (KNN57-1002) is designed to increase airflow and engine performance significantly. Built with K&N’s reliable cotton gauze filter media, this intake system delivers better throttle response and enhanced horsepower without requiring any tuning after installation. Designed to fit seamlessly in 1999-2004 BMW 3 Series models, this bolt-on upgrade replaces your restrictive factory air intake system with a high-flow alternative engineered to perform.
Features and Specifications:
- Vehicle Fitment: BMW 3 Series models from 1999 to 2004
- Air Filter Color: Red
- Air Filter Material: Cotton Gauze
- Air Filter Outlet Shape: Round
- Included: Mounting Hardware, 3 Clamps, and 1 Coupler
- Clamp Material: Stainless Steel
- Clamp Style: Regular
- Intake Pipe Color / Finish: Black
- Intake Pipe Material: High-Density Cross-Linked Polyethylene
- CARB EO Number: D-269-31
- Estimated Horsepower Gain: 9.69 HP @ 6090 RPM
- Replacement Filter: RU-4730
- Increased Performance: Boosts horsepower and torque for improved engine output.
- HDPE Intake Tube: Roto-molded for durability and efficient airflow.
- High-Flow Filter: Direct replacement air filter enhances throttle response and engine sound.
- Optimized Airflow: Engineered for high airflow and superior filtration efficiency.
- Low Maintenance: Filter requires cleaning only every 100,000 miles under everyday driving.
- Easy Installation: Installs in under 60 minutes using basic hand tools.
- Lifetime Warranty: Covered by a No-Hassle Lifetime Limited Warranty.
- Emissions Legal: 50-state legal for street use.





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