K&N Engineering Part 33-2231 Reusable High-Flow Air Filter for BMW 3 Series

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.

• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• Million Mile Limited Warranty

Enhance your BMW's engine performance with the K&N Engineering Part 33-2231 high-flow air filter, specifically designed for select BMW 3 Series models including the 318ti, 328i, 328Ci, 330i, 330xi, and 325xi. This drop-in replacement filter features a layered, oiled cotton media engineered to improve airflow and increase horsepower while maintaining exceptional engine protection. Its advanced design ensures a seamless installation into your factory air box, providing an upgrade that’s both efficient and durable. Built to last the lifetime of your vehicle, the K&N high-flow air filter is a cost-effective and environmentally friendly choice, reducing waste by replacing disposable filters and supporting sustainability initiatives.

The K&N filter is washable and reusable, making it a smart investment for vehicle owners who seek long-term performance benefits. Backed by K&N’s 10-Year/Million Mile Limited Warranty, this product guarantees reliability and peace of mind. The included features highlight the filter’s ability to enhance airflow, which contributes to improved acceleration and overall engine responsiveness. Its sturdy cotton media captures contaminants effectively, helping to protect your engine from dirt and debris without sacrificing airflow efficiency. Installation is straightforward, with the filter designed to fit directly into your existing air box without the need for additional modifications. This makes upgrading your vehicle quick and hassle-free, allowing you to enjoy the benefits of better engine breathing and increased power almost immediately. Whether you're a daily driver or a performance enthusiast, the K&N high-flow air filter delivers consistent performance, durability, and environmental benefits, ensuring your BMW runs smoothly and efficiently for years to come.

Features:

• Layered, oiled cotton media engineered to improve airflow and capture contaminants

• Reusable and washable design for long-term use and cost savings

• Easy drop-in installation into factory air box for seamless upgrade

• Designed to increase horsepower and engine responsiveness

• Backed by K&N’s 10-Year/Million Mile Limited Warranty

• Reduces waste by replacing disposable filters and packaging

Fitment:
1999 BMW 318ti Base
1999 BMW 323i Base
2000 BMW 323Ci Base
2000 BMW 323i Base
2000 BMW 328Ci Base
2000 BMW 328i Base
2001 BMW 325Ci Base
2001 BMW 325i Base
2001 BMW 325xi Base
2001 BMW 330Ci Base
2001 BMW 330i Base
2001 BMW 330xi Base
2001 BMW M3 Base
2002 BMW 325Ci Base
2002 BMW 325i Base
2002 BMW 325xi Base
2002 BMW 330Ci Base
2002 BMW 330i Base
2002 BMW 330xi Base
2002 BMW M3 Base
2003 BMW 325Ci Base
2003 BMW 325i Base
2003 BMW 325xi Base
2003 BMW 330Ci Base
2003 BMW 330i Base
2003 BMW 330xi Base
2003 BMW M3 Base
2004 BMW 325Ci Base
2004 BMW 325i Base
2004 BMW 325xi Base
2004 BMW 330Ci Base
2004 BMW 330i Base
2004 BMW 330xi Base
2004 BMW M3 Base
2004 BMW X3 2.5i
2004 BMW X3 3.0i
2005 BMW 325Ci Base
2005 BMW 325i Base
2005 BMW 325xi Base
2005 BMW 330Ci Base
2005 BMW 330i Base
2005 BMW 330xi Base
2005 BMW M3 Base
2005 BMW X3 2.5i
2005 BMW X3 3.0i
2006 BMW 325Ci Base
2006 BMW 330Ci Base
2006 BMW M3 Base
2006 BMW X3 3.0i

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1