MMR Performance Elite Series Panel Air Filter for BMW B58 B48 - M140i M240i 340i 440i F20 F21 F22 F23 F30 F31 F32 F33 - High-Flow Washable Reusable Foam OEM Replacement F-Series 1 2 3 4 Series

Elite Series performance filter element for BMW turbo petrol B58 and B48 engines

Unlock smoother breathing and a sharper driving feel with this motorsport-inspired foam drop-in filter. Designed to sit inside the factory airbox, this high-flow insert delivers excellent filtration and improved airflow for fast-road and track-day use. It is a serviceable, clean-and-refit upgrade that replaces the disposable paper element, giving you long-term value without compromising protection.

Why enthusiasts choose this induction upgrade

• Direct drop-in for the OE airbox on B58 and B48-powered models, no mapping required
• High-performance multi-layer foam for superb dust capture and excellent flow
• Crisper throttle response and a subtle induction note while retaining an OEM look
• Washable and reusable for long-life ownership, simply clean and re-oil as required
• Ideal for stock, Stage 1 and Stage 2 setups on road or circuit

Who is it for

If you want a simple intake enhancement that keeps the original airbox but improves breathing, this is the smart choice. It is a proven, low-maintenance sports filter that supports reliable performance on daily drivers and weekend toys alike.

Fitment and compatibility

Suited to BMW F-series models with B58 or B48 petrol engines using the standard airbox, including but not limited to:

• 1 Series F20 F21 - 120i, 125i, M140i, xDrive variants
• 2 Series F22 F23 - 220i, 230i, 240i, M240i, xDrive variants
• 3 Series F30 F31 - 320i, 330i, 340i, xDrive variants
• 4 Series F32 F33 - 420i, 430i, 440i, xDrive variants

Engine families covered: B48 and B58.

Shop confidence

We run this filter on our own shop cars at MJ Modifications and have supplied it to many customer builds. Feedback is consistently positive for fit, finish and real-world drivability. It is a quality-focused upgrade that works brilliantly with the stock airbox and supports future tuning plans.

Care and servicing

• Simple to remove and clean, then re-oil if required before refitting
• No need to buy throwaway paper elements at every service
• Follow sensible cleaning intervals based on use and environment

Installation options

Home install is straightforward with basic hand tools. Prefer professional fitting or a package install with other hardware and software upgrades We can help. MJ Modifications offers fitting at our Warwickshire workshop. Request a quote at info@mjmodifications.co.uk.

Search-friendly terms customers use

BMW B58 filter upgrade, B48 induction element, F20 F21 M140i intake insert, F22 F23 M240i foam filter, F30 F31 340i drop-in filter, F32 F33 440i sports filter, BMW F-series replacement filter, oiled foam intake element, performance panel insert, stock airbox upgrade, high-flow filter for turbo BMW.