Dinan D401-0042 High Flow Drop-In Replacement Air Filter BMW - Set for M Series

The Dinan D401-0042 High Flow Drop-In Replacement Air Filter Set delivers enhanced engine performance and efficiency for BMW M2, M3, M4, M5, and M6 models (2012-2021). Engineered as a direct replacement for the restrictive factory air filters, this set provides improved airflow while maintaining exceptional filtration standards.

Key Features:

• 4 layers of proprietary oiled cotton gauze material for superior filtration efficiency
• Less restrictive design maximizes airflow for improved engine performance
• Washable and reusable for the lifetime of your engine—no need for costly replacements
• Direct drop-in replacement requiring no modifications
• Quick and easy installation with no special tools required

Unlike disposable paper filters that must be replaced regularly, the Dinan high flow air filter set can be cleaned and re-oiled multiple times, making it both an economical and environmentally friendly choice. The advanced multi-layer cotton gauze construction captures contaminants while allowing maximum air volume to reach your engine, unlocking better throttle response and optimized power delivery across the RPM range.