Dinan D401-0032 Replacement Air Filter for Carbon Fiber Intake BMW M3/M4

The Dinan D401-0032 is a high-performance replacement air filter engineered specifically for use with Dinan's High Flow Carbon Fiber Intake system on 2021-2025 BMW M3 and M4 models. This premium filter delivers exceptional airflow while maintaining superior filtration to protect your high-performance engine.

Key Features:

• Multi-layered cotton filtration media with deep pleats for maximum airflow and superior particle filtration
• Steel wire mesh construction provides structural strength and excellent dent resistance
• Custom molded end caps designed to maximize filter surface area within the Dinan air box
• Engineered to work seamlessly with Dinan's Carbon Fiber Intake system
• Washable and reusable design for long-term cost savings

This filter is sold individually and represents a direct replacement component for maintaining peak performance from your Dinan intake system. The advanced multi-layer cotton design captures contaminants while allowing significantly more air to reach your engine compared to restrictive paper filters.