The K&N 57i Series induction kit is engineered specifically for BMW models, including the 118i/120i, 320SI, and 318i/320i. It replaces the restrictive factory air box with a high-performance system that increases airflow and delivers noticeable improvements in throttle response, horsepower, and torque across the entire RPM range. This is your ideal upgrade if you’re looking to boost your vehicle’s performance with a precision-engineered solution.
Key Benefits
• Designed for BMW models – Enjoy a custom fit that enhances engine efficiency.
• Enhanced Performance – Experience improved throttle response, horsepower, and torque throughout the RPM range.
• Extended Service Life – A larger, open-air filter traps extra dirt, providing up to 100,000 miles between cleanings.
• Quality Construction – Constructed with premium steel, aluminum, silicon, and reinforced nylon parts for long-lasting durability.
• Easy Installation – Most customers finish the installation in less than 60–90 minutes, whether mounting directly to the engine carburetor or using a tube assembly.
Installation & Compliance
Installation is straightforward with detailed instructions included. For complete installation guidance, please refer to the provided Installation Instructions. Please note that the K&N 57i Series induction kit is not legal for use in California and other states that follow California emission standards.
Enhance your drive by choosing the K&N BMW 118i performance intake kit – a performance upgrade engineered with precision. Discover more exhaust and intake solutions in our Air Intake Systems collection.
