MMR Performance Cotton Panel Air Filter for BMW N20 F2x/F3x (F20 F21 F22 F23 F30 F31 F32 F33) - High-Flow Washable Reusable Drop-In for 1/2/3/4 Series OEM Airbox

MMR Performance Panel Insert for BMW N20 F-Series

Give your N20-powered BMW the breathing upgrade it deserves with this MMR Performance cotton panel insert. It slides straight into the standard airbox on F20 F21 F22 F23 F30 F31 F32 F33 models and transforms response with freer intake flow, a crisper throttle feel and a deeper induction note. Perfect for enthusiasts who want OEM fit with a genuine performance edge.

Engineered to precise factory dimensions, this premium cotton media filter replaces the restrictive paper element and lets your turbo breathe far more efficiently. Expect smoother pull through the mid range, more eager acceleration and a richer intake sound without any need for software changes. In back-to-back testing on a stock N20B20, we recorded gains of up to 15 Nm of torque you can feel every time you drive.

We have fitted this to numerous customer cars and feedback has been consistently positive. Owners love the sharper pedal response, improved drivability and the satisfying turbo spool. It is washable and reusable for long-term value, delivering performance and protection mile after mile when maintained as directed.

Main advantages

• Free flowing cotton media for stronger engine response and more efficient combustion
• Enhanced induction character for a sportier soundtrack under load
• Direct replacement for the factory element in the standard airbox
• Excellent filtration to safeguard your N20 while optimising airflow
• Serviceable design that can be cleaned and reused to reduce waste and running costs
• Dyno verified improvement of up to 15 Nm on a stock N20 engine
• No mapping required and fully compatible with factory sensors

Compatibility

Why buy from us

We stock and fit these filters regularly and our customers report genuine improvements in drivability and sound. It is a smart upgrade for daily drivers and tuned builds alike, retaining factory reliability while unlocking extra performance.

Fitting and care

• Installs in minutes in the factory airbox
• No additional parts needed
• Clean and reuse periodically to maintain peak airflow and filtration

Prefer expert installation. Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Search-friendly terms

BMW F30 intake upgrade, F20 F21 sports filter, F22 F23 filter element, F31 touring performance filter, F32 F33 coupe air intake insert, N20B20 filter replacement, BMW 116i 118i 120i 125i intake element, BMW 218i 220i 228i panel insert, BMW 316i 320i 328i intake filter, BMW 420i 428i filter upgrade, reusable cotton intake media, performance panel insert for BMW petrol turbo, factory airbox performance filter.

Notes

• Replaces the standard paper panel in the original airbox
• Follow manufacturer guidance for cleaning intervals

Unlock a more responsive drive and a richer induction tone while keeping the stock airbox look and reliability. Add the MMR Performance panel insert to your basket today and let your BMW breathe properly.