K&N Performance Panel Air Filter (K and N) for BMW 1 Series 125i F20 F21 2016-on | High-Flow Intake Filter | Washable Reusable Cotton Gauze | OEM Drop-In Replacement for Factory Airbox | No Remap Required | Direct-Fit | Serviceable Cleanable

Direct-fit reusable intake filter for BMW 1 Series 125i F20 F21 06/2016 onward

Give your 125i the breathing upgrade it deserves with a premium K&N cotton gauze panel element that slots straight into the factory air box. This serviceable, cleanable filter is engineered for improved airflow and dependable filtration, helping your engine respond faster and pull harder while maintaining excellent protection. It is a long-term upgrade that replaces throwaway paper inserts and keeps delivering drive after drive.

Why enthusiasts choose this intake filter

• Noticeably sharper throttle response and stronger mid-range punch
• High airflow cotton media with robust multi-layer filtration for engine safety
• Cleanable and reusable, designed for years of use and far fewer replacements
• Direct-fit to the stock airbox, no tune or remap required
• Compatible with original sensors and electronics for hassle-free running
• Extended service intervals based on driving conditions
• Backed by K&N's Million Mile Limited Warranty for peace of mind
• Eco-conscious upgrade that reduces waste versus disposable filter elements

Real-world gains you can feel

Owners report quicker pick-up, a cleaner induction note and smoother revs, especially through the mid-range. We have installed these on customer cars and used them on our own vehicles, and feedback has been consistently positive for drivability, responsiveness and long-term value compared with standard paper filters.

Compatibility

BMW 1 Series 125i, F20 and F21, built from June 2016 onward. Direct replacement panel element for the factory airbox.

Installation and fitting

Simple DIY swap with basic tools and a few minutes of your time. Prefer a professional fit or a quick health check at the same time? Book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Care and maintenance

When the filter is due, clean and re-oil using a K&N service kit. Service intervals vary with environment and driving style.

What you get

1 x K&N reusable cotton panel filter for BMW 1 Series 125i F20 F21 from 06/2016 onward.

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