aFe Power 31-10270 Magnum Pro DRY S Panel Air Filter – BMW F20 F21 F22 F23 F30 F31 F32 F33 F36 (B58/B46/B48) – M140i M240i 340i 440i 230i 330i 430i – Reusable Drop-In, No Oil, OEM Airbox

BMW F-Series performance panel insert - reusable dry media - aFe Power 31-10270

Unlock cleaner airflow and crisp throttle response with the aFe Power Pro DRY S panel element, part number 31-10270. This serviceable replacement sits in your factory air box and brings a noticeable upgrade in breathing for B58, B46 and B48 powered F-series 1 Series, 2 Series, 3 Series and 4 Series models. No oiling required, no fuss, just high-flow filtration and OE-style fit.

Why this filter is a smart upgrade

• Triple-layer synthetic Pro DRY S media - excellent dust capture with low restriction and zero oil
• Deep pleat design - expanded surface area for strong airflow and long service intervals
• Progressive bump seal - uniform seal to the factory air box to keep unfiltered air out
• Moulded polyurethane frame - robust construction for a consistent OE-like fit
• Washable and reusable - simple clean and refit to reduce waste and ongoing costs
• Direct replacement - drop-in element for the stock airbox with no modifications

What you will notice

• Smoother induction and sharper pedal feel on both six cylinder B58 and four cylinder B46 B48 engines
• Subtle enhancement to intake tone under load
• Hassle-free maintenance thanks to dry media - no mess, no oil kits

We use this element in our own F-series builds and it remains one of our most recommended intake upgrades. Customers love the blend of quality, filtration efficiency and the genuine plug-and-play install. It is a great choice for daily road cars, fast-road setups and track-day machines that want dependable airflow from the stock air box.

Vehicle applications

Designed for F-series models using B58, B46 and B48 petrol engines. Fits the factory air box on the following:

• BMW 1 Series F20 F21 - M140i including xDrive
• BMW 2 Series F22 F23 - 230i, M240i including xDrive
• BMW 3 Series F30 F31 F34 - 330i, 330e, 340i including xDrive and GT
• BMW 4 Series F32 F33 F36 - 420i, 430i, 440i including xDrive and Gran Coupe

If you are unsure on fitment, add your UK registration or last 7 of the VIN at checkout and we will confirm before dispatch.

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Part number

aFe Power 31-10270

Manufacturer

aFe Power

Warranty

Limited lifetime warranty from aFe Power.

Professional fitting

Want hassle-free installation and a health check of your intake system? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Ready to breathe easier

Improve airflow, protect your turbocharged engine and cut maintenance time with the aFe Pro DRY S panel filter. Add to basket for a quick, clean upgrade that keeps the OE air box and delivers proven performance and longevity.