K&N Engineering
KNN33-2231
K&N Engineering

K&N BMW Drop In Air Filter

$68.99

Description

Experience the ultimate upgrade with K&N’s washable, reusable high-flow air filter engineered to maximize engine performance. Made with advanced layered, oiled cotton media, this drop-in replacement improves airflow, boosting both horsepower and acceleration. Perfect for those looking to buy a K&N BMW drop-in air filter, it’s designed to fit your factory air box seamlessly while impressing even the most discerning drivers.

Key Benefits

  • High-flow cotton filter media engineered for enhanced engine performance
  • Washable and reusable design for long-term cost efficiency and reduced waste
  • Pre-oiled and ready for an easy drop-in installation
  • Increases horsepower and improves acceleration
  • Backed by a 10-Year/Million Mile Limited Warranty for peace of mind
  • Environmentally friendly to help minimize disposable waste

For optimal performance, routine cleaning is recommended approximately every 50,000–75,000 miles to ensure your filter continues delivering peak airflow and efficiency.

Vehicle Compatibility

Please verify your vehicle's fit before purchase. Below is a compatibility guide:

Year Make Model Submodel
1999 BMW 318ti Base
2000 BMW 323Ci Base
1999-2000 BMW 323i Base
2001-2006 BMW 325Ci Base
2001-2005 BMW 325i Base
2001-2005 BMW 325xi Base
2000 BMW 328Ci Base
2000 BMW 328i Base
2001-2006 BMW 330Ci Base
2001-2005 BMW 330i Base
2001-2005 BMW 330xi Base
2001-2006 BMW M3 Base
2004-2005 BMW X3 2.5i
2004-2006 BMW X3 3.0i

Ready for an upgrade? Check out our Air Filters - Drop In collection for more details and easy installation instructions.

Experience the ultimate upgrade with K&N’s washable, reusable high-flow air filter engineered to maximize engine performance. Made with advanced layered, oiled cotton media, this drop-in replacement improves airflow, boosting both horsepower and acceleration. Perfect for those looking to buy a K&N BMW drop-in air filter, it’s designed to fit your factory air box seamlessly while impressing even the most discerning drivers.

Key Benefits

  • High-flow cotton filter media engineered for enhanced engine performance
  • Washable and reusable design for long-term cost efficiency and reduced waste
  • Pre-oiled and ready for an easy drop-in installation
  • Increases horsepower and improves acceleration
  • Backed by a 10-Year/Million Mile Limited Warranty for peace of mind
  • Environmentally friendly to help minimize disposable waste

For optimal performance, routine cleaning is recommended approximately every 50,000–75,000 miles to ensure your filter continues delivering peak airflow and efficiency.

Vehicle Compatibility

Please verify your vehicle's fit before purchase. Below is a compatibility guide:

Year Make Model Submodel
1999 BMW 318ti Base
2000 BMW 323Ci Base
1999-2000 BMW 323i Base
2001-2006 BMW 325Ci Base
2001-2005 BMW 325i Base
2001-2005 BMW 325xi Base
2000 BMW 328Ci Base
2000 BMW 328i Base
2001-2006 BMW 330Ci Base
2001-2005 BMW 330i Base
2001-2005 BMW 330xi Base
2001-2006 BMW M3 Base
2004-2005 BMW X3 2.5i
2004-2006 BMW X3 3.0i

Ready for an upgrade? Check out our Air Filters - Drop In collection for more details and easy installation instructions.

Frequently Asked Questions

Feel Free To Ask Anything!

What payment methods do you accept for online purchases?

We accept all major credit cards, PayPal, Shop Pay, and Apple Pay for your convenience. Once your order ships, you'll receive a tracking number via email.

How long does shipping usually take?

In stock items typically ship in 24-48 hours. Out of stock items can take longer.

Can I return an item if I'm not satisfied?

Yes, we have a 30-day return period. You can view our Return & Refund Policy page for more details - Return & Refund Policy.

Do you offer gift cards?

Yes! They are the perfect gift for those times when you don't know exactly what to get or need something at the last minute. Great for any time of the year as well as those special occasions. Our Gift Cards come in $25, $50, $100, $250 and $500 denominations. And they never expire!

Visit our Gift Card page for more details - Gift Cards.

Can I track my order after it's been placed?

Yes. Once your order has shipped, you will be emailed the tracking information. Additionally, we will email you a delivery confirmation email once your order shows that it has been delivered.

What should I do if I receive a damaged item?

If your shipment is damaged, please reach out to our Customer Support team at 888-292-9012 or email us at info@everythingtruckparts.com. You may also contact us here - Contact Us.