SKU: 57I-1000 | UPC: 024844097477
K&N 57I-1000 Generation II Induction Kit for 1999-2005 BMW 3-Series
The K&N 57I-1000 Performance Air Intake System replaces the factory air intake on 1999-2005 BMW 3-Series E46 models including 323i 325i 328i and 330i. This Generation II induction kit uses a high-flow air filter and smooth intake tube to eliminate restrictions for increased airflow and power gains. Drivers notice sharper throttle response and aggressive engine sound right after installation.
Key Features
- High-Flow Air Filter: Washable and reusable K&N filter lasts up to 100000 miles before cleaning depending on driving conditions
- Rotationally Molded Tube: Non-metallic plastic construction lowers intake air temperatures and quiets sound compared to metal tubes
- Complete Air Path Replacement: Eliminates factory restrictions from filter to engine for maximum airflow and horsepower
- Easy Installation: Bolt-on design installs in 60 minutes or less with common tools no cutting or drilling required
- Lifetime Warranty: Backed by K&N No-Hassle Lifetime Limited Warranty for peace of mind
Product Notes
- Replaces entire factory air intake system for unrestricted airflow
- Clean filter with K&N service kit every 50000-100000 miles based on conditions
- Product weight 7.4 lbs shipped weight 8.2 lbs
Installation Notes
- Professional installation recommended.
- Installs in 60-90 minutes using basic hand tools
- Includes all clamps hoses and hardware for direct fit on E46 chassis
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2000 | BMW | 3 Series | 323i |
| 1999-2000 | BMW | 3 Series | 323Ci |
| 1999-2000 | BMW | 3 Series | 323is |
| 1999-2000 | BMW | 3 Series | 328i |
| 1999-2000 | BMW | 3 Series | 328is |
| 2001-2005 | BMW | 3 Series | 325i |
| 2001-2005 | BMW | 3 Series | 325Ci |
| 2001-2005 | BMW | 3 Series | 330i |
| 2001-2005 | BMW | 3 Series | 330Ci |
Why Choose K&N?
- Over 50 years of air intake engineering experience
- Proven dyno-tested horsepower increases on BMW E46
- Precision-molded components for perfect E46 fitment
Frequently Asked Questions
- Q: Does this fit 2003 BMW 325i E46?
A: Yes the 57I-1000 fits 2001-2005 BMW 3 Series 325i sedans and convertibles with L6 2.5L engine - Q: What material is used for the intake tube?
A: Rotationally molded high-density polyethylene plastic resists heat and maintains shape for consistent performance - Q: What is the warranty and maintenance?
A: No-Hassle Lifetime Limited Warranty covers defects filter is washable and reusable up to 100000 miles
Shipping & Handling
- Method: Ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Protective box 22.75 x 14.25 x 9.25 inches
- Weight: 8.2 lbs
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