Dinan D401-0043 High Flow Drop-In Replacement Air Filter for BMW

The Dinan D401-0043 is a high-performance drop-in replacement air filter engineered for 2017-2023 BMW 530i, 540i, 640i, and 2019-2023 X5, X6, X7 40i models. This washable, reusable filter is designed to last the lifetime of your engine while providing superior airflow and filtration compared to the restrictive factory paper element.

Key Features:

• Four layers of proprietary oiled cotton gauze media for exceptional filtration efficiency
• Less restrictive design allows maximum airflow for improved engine performance and throttle response
• Washable and reusable - eliminates recurring filter replacement costs
• Direct drop-in replacement for OE air filter - no modifications required
• Quick and easy installation in minutes

Dinan's advanced filtration technology captures harmful contaminants while maximizing airflow to your engine. The multi-layer oiled cotton gauze construction provides superior dust-holding capacity compared to disposable paper filters, protecting your engine while unleashing hidden performance. When cleaning is needed, simply wash, re-oil, and reinstall for like-new performance.