Dinan 21-26 BMW 430i Air Filter | BMW 430i (D401-0046)

The Dinan 21-26 BMW 430i 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 factory paper filters. Its advanced design allows the engine to operate more easily, potentially increasing power output 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 filter provides an effective upgrade for drivers seeking improved performance and engine longevity.

Designed specifically for 2021 to 2026 BMW 430i models, this air filter fits seamlessly as a direct replacement for the stock unit. It is suitable for street driving and daily use, offering a straightforward bolt-on installation that does not require modifications. The filter is compatible with vehicles equipped with the 430i engine and is ideal for enthusiasts looking to optimize airflow and engine response. The kit includes the high-flow cotton gauze filter, ensuring a simple upgrade process for improved engine performance and maintenance efficiency.