Dinan D401-0038 High Flow Drop-in Replacement Air Filter for BMW

The Dinan D401-0038 High Flow Drop-in Replacement Air Filter is engineered to deliver superior airflow and filtration for your BMW engine. This performance air filter is designed as a direct replacement for the restrictive factory filter, offering enhanced engine breathing while maintaining exceptional filtration standards.

Key Features:

• Direct drop-in replacement for OEM air filter—no modifications required
• Quick and easy installation with no special tools needed
• Four layers of proprietary oiled cotton gauze material for maximum filtration efficiency
• Washable and reusable design provides lifetime durability
• Less restrictive airflow compared to stock filter for improved engine performance and efficiency
• High-flow design allows your engine to breathe more freely

Unlike disposable paper filters that must be replaced regularly, the Dinan high-flow air filter can be cleaned and re-oiled multiple times, making it an economical and environmentally friendly choice. The advanced multi-layer cotton gauze construction captures contaminants while allowing maximum airflow to reach your engine, helping to unlock additional horsepower and throttle response.