K&N High-Flow Washable Panel Air Filter - Drop-In Intake/Induction Filter for BMW 4 Series 420i 430i (F32 F33 F36 F82) 2016-on - OE/OEM Airbox Replacement, Reusable Cotton Gauze, Lifetime Serviceable Performance Upgrade

Performance Panel Filter Upgrade for BMW 4 Series 420i and 430i 2016 onwards

Enhance throttle response and everyday drivability with this K&N cleanable cotton panel element designed to fit straight into the original air box on your BMW 4 Series. It is a simple drop in intake upgrade that delivers freer breathing, strong engine protection and long term value thanks to its washable, reusable construction.

We use these on our own cars and regularly install them for customers at MJ Modifications. Feedback is consistently positive, with drivers reporting crisper pick up, smoother acceleration and a more eager pull through the rev range, all while keeping an OE look under the bonnet.

Why this intake filter is a smart upgrade

• Freer flowing panel insert for sharper response and stronger mid range
• Premium cotton gauze media for high airflow and excellent filtration
• Serviceable and reusable, a lifetime filter that reduces waste and ongoing costs
• Direct fit to the factory air box, no remap required and no warning lights
• Up to 50,000 miles between cleans depending on use and conditions
• Does not invalidate your vehicle warranty
• Backed by the K&N Million Mile Limited Warranty

Compatibility

Suitable for BMW 4 Series 2016 on, including F32 coupe, F33 convertible, F36 Gran Coupe and F82 platform references. Specifically for 420i and 430i models that retain the standard air box. Not sure it fits your car. Send us your registration or VIN and we will confirm before you buy.

Installation and support

DIY friendly swap with basic hand tools. Prefer a professional to handle it. MJ Modifications in Warwickshire offers fitting and advice. Request a quote at info@mjmodifications.co.uk.

Maintenance

Clean, dry and re oil at service intervals as required by your driving environment to maintain performance. This reusable intake filter is designed to deliver consistent airflow over the long term.

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