Dinan High Flow Drop-in Air Filter | BMW M3 (15-18) (D401-0042)

The Dinan 15-18 BMW M3 Air Filter is a high-performance drop-in replacement designed to enhance airflow and engine efficiency. Constructed with four layers of oiled cotton gauze, this filter offers superior flow and reduced pressure drop compared to stock paper filters. Its design allows the engine to operate more efficiently, producing more power while maintaining excellent filtration. The washable and reusable cotton media ensures long-term durability and cost savings, as it can be cleaned and reused multiple times without sacrificing filtration quality.

This air filter is specifically engineered for 2015 to 2018 BMW M3 models, fitting the F80 chassis with the S55 engine. It serves as a direct replacement for the factory filter, providing an upgrade for street and performance driving. Easy to install, it offers a maintenance-friendly solution that improves airflow and engine performance without requiring modifications. The kit includes the high-flow cotton filter, suitable for daily driving, track use, or spirited street performance.