Dinan D401-0026 High Flow Replacement Air Filter for Carbon Fiber Intake

The Dinan D401-0026 is a high-performance replacement air filter designed specifically for Dinan's carbon fiber cold air intake systems on 2018-2023 BMW M5 models. This premium filter combines superior airflow with exceptional filtration efficiency to maximize engine performance while protecting critical internal components.

Key Features:

• Multi-layered cotton construction with deep pleats maximizes surface area for increased airflow and superior filtration efficiency
• Steel wire mesh reinforcement provides structural strength and dent resistance for long-lasting durability
• Custom-molded end caps designed to optimize filter surface area within the Dinan airbox for perfect fitment
• Reusable and cleanable design reduces long-term maintenance costs compared to disposable paper filters
• Direct replacement for original Dinan carbon fiber intake filter element

This filter is engineered to work seamlessly with Dinan's high-flow intake system, maintaining optimal air-fuel ratios while delivering the performance gains expected from a premium cold air intake upgrade. Regular cleaning and re-oiling will ensure peak performance and engine protection over the filter's service life.