BMW N55 F20 F21 F22 F23 F30 F31 F32 F33 F34 F36 M135i M2 M235i 335i 435i air filter 31-10226

The aFe MagnumFLOW Pro DRY S panel filter (31-10226) is a direct-fit, oil-free upgrade for N55-powered BMWs. No remap needed, no messy oiling, no cutting - just drop it into your OEM airbox.

• Washable and reusable with soap and water - no re-oiling ever
• 99.2% filtration efficiency and high dust-holding capacity
• Rounded open pleats + full 360° urethane frame for maximum airflow
• Pliable progressive bump seal guarantees a leak-free fit
• Stronger, longer-lasting than OEM paper - built for fast road or track day use