SKU: 57S-2001 | UPC: 024844373403
K&N 57S-2001 Performance Air Intake System for 2013-2016 BMW 228i 320i 328i 428i N20 Engines
The K&N 57S-2001 Performance Air Intake System fits 2013-2016 BMW 2-3-4 Series models with N20 engines including 228i 320i 328i and 428i base trims. It replaces the restrictive factory air box and filter to reduce airflow restriction smooth air delivery and provide more air for increased power throughout the RPM range. Dyno tests show gains of 10.82 HP at 5785 RPM and 9.1 lb-ft torque at 4200 RPM for better acceleration.
Key Features
- Proven Power Gains: Dyno-tested increases of 10.82 HP at 5785 RPM and 9.1 lb-ft torque at 4200 RPM deliver noticeable throttle response and acceleration
- Easy Installation: Bolts on in 60 minutes or less using common tools and factory mounting points with no vehicle modifications needed
- Washable Lifetime Filter: High-flow reusable oiled cotton filter cleans easily and lasts the life of the vehicle
- Complete Air Box Replacement: Fully enclosed injection-molded box connects to factory intake hose and occupies stock space
- Lifetime Limited Warranty: K&N No-Hassle Lifetime Limited Warranty covers the system for as long as you own your vehicle
Product Notes
- Removable lid allows simple filter access for routine cleaning every 50000 miles or sooner in dusty conditions
- Use K&N air filter cleaner and oil kit for maintenance to restore peak airflow performance
- Check K&N catalog or website for vehicle-specific TUV emissions and sound compliance details
Installation Notes
- Professional installation recommended.
- Installs in under 60 minutes with screwdriver pliers and socket set typically included
- Hardware kit provided mates directly to OEM throttle body and mass air sensor
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2016 | BMW | 228i | Base |
| 2013-2015 | BMW | 320i | Base |
| 2013-2015 | BMW | 328i | Base |
| 2014-2016 | BMW | 428i | Base |
Why Choose K&N?
- Over 50 years engineering high-performance air intakes for automotive enthusiasts
- Dyno-tested designs ensure real-world power gains on stock and modified engines
- Injection-molded composites and precision components withstand heat and engine bay conditions
Frequently Asked Questions
- Q: Does the 57S-2001 fit 2014 BMW 328i xDrive models?
A: Designed for base trim N20 engines verify exact fitment with K&N application guide as xDrive variants may differ - Q: What material is the air box constructed from?
A: Durable injection-molded composite housing with removable lid for heat resistance and easy maintenance - Q: What does the No-Hassle Lifetime Limited Warranty cover?
A: Covers defects in materials and workmanship for the original vehicle owner filter is washable and reusable indefinitely
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure box 22 in L x 13 in W x 10 in H
- Weight: 7.6 lbs





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