K&N High-Flow Cotton Gauze Washable Panel Air Filter for BMW 1 Series (F20/F21) 114i 116i 118i 2012–2015 Petrol N13 – Performance/Sports Intake Upgrade, Reusable Drop-In OEM Airbox Replacement

BMW 1 Series F20 F21 114i 116i 118i 2012 to 2015 high flow reusable panel filter

Unlock sharper throttle response, smoother engine breathing and a sportier induction note with this genuine K&N cotton gauze panel filter. It is a direct replacement for the standard paper element, dropping straight into the factory airbox on your BMW 1 Series without any cutting or mapping. Expect reduced intake restriction, improved airflow and a quality filtration media that protects your engine mile after mile.

We use these on our own cars and our customers consistently report a more responsive feel and the satisfaction of a serviceable, long‑life filter that pays for itself over time. This is the smart intake upgrade for daily driving, spirited B‑road runs and everything in between.

Compatibility

Designed for BMW 1 Series F20 and F21 petrol models:

• 114i
• 116i
• 118i
• Model years 2012, 2013, 2014, 2015
• 3 door and 5 door

Why choose this performance panel filter

• High flow cotton media for freer breathing and stronger mid‑range response
• Reusable and serviceable, a lifetime upgrade that replaces throwaway paper filters
• Direct‑fit insert for the OEM airbox, no modifications required
• Premium multi‑layer oiled cotton gauze with excellent dirt holding capacity
• Can support improved fuel economy under light throttle thanks to reduced intake restriction
• Enhances induction sound without adding cabin drone
• Cost‑effective over the life of the vehicle and kinder to the environment
• Backed by K&N’s famous Million Mile Limited Warranty
• Genuine K&N product sourced for UK enthusiasts

Installation and care

This is a simple DIY swap for the standard element and retains all factory airbox hardware and sensors. No ECU changes are required. For professional fitting, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

When the filter becomes dirty, clean and re‑oil with the appropriate service kit, then refit. Long service intervals mean less maintenance and less waste.

Search terms our customers use

BMW 1 Series F20 air filter upgrade, F21 sports filter, 114i high flow filter, 116i performance intake filter, 118i reusable panel filter, cotton gauze insert, direct replacement filter UK, induction upgrade BMW 1 Series 2012 2013 2014 2015.

Ready to let your BMW breathe better and perform at its best? Add this K&N panel filter to your basket today.