K&N Engineering
KNN33-2943
K&N Engineering

K&N Replacement Air Filter 04-11 BMW 520D/535D/635D

$68.99

Description

This high-flow, K&N washable replacement air filter is engineered specifically for 04-11 BMW 520D, BMW 535D, and BMW 635D models. Designed to enhance engine performance with increased horsepower and improved airflow, this filter uses layered, oiled cotton media to effectively trap contaminants while promoting a cleaner, more efficient combustion process. Enjoy a drop-in installation feature that makes upgrading your vehicle’s factory airbox a straightforward process.

Key Features:

  • Increased Horsepower: Notice a boost in engine performance with optimized airflow.
  • High-Flow Design: Advanced patented design offers superior air passage and minimizes restrictions.
  • K&N Washable: Reusable construction helps reduce ongoing maintenance costs and environmental waste.
  • Drop-In Installation: Replace your factory air filter with ease, no professional help required.
  • Engine Efficiency: Reduces contaminants that can impede performance, supporting a longer engine lifespan.

How It Works

This replacement air filter functions as a true drop-in solution for your BMW’s factory airbox. Its precise design ensures a perfect fit and reliable performance right from the start, making installation effortless for both enthusiasts and professionals.

Maintenance & Warranty

For best performance, clean your filter every 75,000 miles or every 5 years under typical driving conditions. Enjoy peace of mind knowing your investment is protected by K&N’s No-Hassle Lifetime Limited Warranty. Upgrade your engine performance today and experience the ease and efficiency this high-flow filter provides.

For more top-quality air filters, check out our Air Filters - Drop In collection.

This high-flow, K&N washable replacement air filter is engineered specifically for 04-11 BMW 520D, BMW 535D, and BMW 635D models. Designed to enhance engine performance with increased horsepower and improved airflow, this filter uses layered, oiled cotton media to effectively trap contaminants while promoting a cleaner, more efficient combustion process. Enjoy a drop-in installation feature that makes upgrading your vehicle’s factory airbox a straightforward process.

Key Features:

  • Increased Horsepower: Notice a boost in engine performance with optimized airflow.
  • High-Flow Design: Advanced patented design offers superior air passage and minimizes restrictions.
  • K&N Washable: Reusable construction helps reduce ongoing maintenance costs and environmental waste.
  • Drop-In Installation: Replace your factory air filter with ease, no professional help required.
  • Engine Efficiency: Reduces contaminants that can impede performance, supporting a longer engine lifespan.

How It Works

This replacement air filter functions as a true drop-in solution for your BMW’s factory airbox. Its precise design ensures a perfect fit and reliable performance right from the start, making installation effortless for both enthusiasts and professionals.

Maintenance & Warranty

For best performance, clean your filter every 75,000 miles or every 5 years under typical driving conditions. Enjoy peace of mind knowing your investment is protected by K&N’s No-Hassle Lifetime Limited Warranty. Upgrade your engine performance today and experience the ease and efficiency this high-flow filter provides.

For more top-quality air filters, check out our Air Filters - Drop In collection.

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.