BMW 330i Air Filter – Dinan High Flow Drop-in Replacement (2001–2006). This direct-fit, reusable filter improves airflow while maintaining excellent filtration for your E46 330i.

Constructed from four layers of oiled cotton gauze, the Dinan filter lowers pressure drop versus stock paper media, helping the engine breathe more efficiently. It installs in the factory air box with no modifications and can be washed and re-oiled for long service life, reducing waste and routine replacement costs while keeping your intake tract protected.

Features

• 4-layer oiled cotton gauze for high flow and robust filtration
• Washable and reusable; quick, drop-in installation
• Direct replacement for stock air box (E46/E83/E85 M54)
• OEM cross-reference: 13721744869; 240mm x 175mm (9.45" x 6.89")

Have questions or want fitment confirmation? Call our team—installation and customization services are available at our Austin, Texas and Los Angeles, California locations: TX 512-982-9393, CA 562-981-6800.

Thinking about multiple items? Contact us for potential shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov