BMW N20 Cotton Panel Air Filter Upgrade for F2x and F3x Models
Unlock easy, reliable performance with the MMR Performance Panel Air Filter for BMW N20 engines. This high flow, cotton gauze, drop in replacement air filter fits the OE airbox, improves airflow, sharpens throttle response and enhances induction sound on your BMW 1 Series, 2 Series, 3 Series and 4 Series F chassis. If you are searching for BMW N20 air filter, BMW F30 panel filter, F20 performance air filter, reusable cotton panel filter or high flow drop in air filter for BMW, this is the proven upgrade that delivers.
Designed to OEM standards for fit and finish, the MMR Performance cotton panel filter simply replaces the restrictive factory paper element. Better breathing means more efficient combustion, so you can expect a noticeable improvement in drivability and a richer turbo induction noise. In our testing on a standard N20 engine, this panel filter delivered an additional 15 Nm of torque, a small but worthwhile gain you will feel on the road.
We have installed this filter across a wide range of customer cars and feedback has been consistently positive for throttle response, mid range pull and intake sound. The filter is fully serviceable, washable and reusable, so it is a cost effective, long term upgrade that can last the life of the engine when properly maintained.
Why choose this BMW N20 panel air filter
- High flow cotton gauze element for increased engine performance and response
- Improved induction noise for a sportier, more engaging sound
- Direct fit drop in filter for the OE airbox, no tuning required
- Excellent filtration and airflow balance to protect your engine
- Washable and reusable, long life serviceable air filter
- Built to OEM standards for fit, quality and durability
- Tested on the N20 engine with gains of up to 15 Nm torque
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Professional fitting
Installation is straightforward as a direct replacement in the factory airbox. For professional fitting, choose Nforcd in Warwickshire. Request a quote via Sales@nforcd.com.

Fitment guide
Series | Chassis | Years | Models | Engine |
---|---|---|---|---|
1 Series | F20, F21 | 2015 - 2019 | 116i, 118i, 120i, 125i | N20 |
2 Series | F22, F23 | 2015 - 2019 | 218i, 220i, 228i, 228iX | N20 |
3 Series | F30, F31 | 2015 - 2019 | 316i, 320i, 320iX, 328i, 328iX | N20 |
4 Series | F32, F33 | 2015 - 2019 | 420i, 420iX, 428i, 428iX | N20 |
Notes
- Direct replacement for the factory paper panel filter in the OE airbox
- Service periodically and re use to maintain peak filtration and airflow
Upgrade your BMW N20 intake with this cotton panel air filter and enjoy cleaner airflow, stronger mid range torque, improved throttle response and a deeper induction tone, all while retaining the stock airbox for OEM reliability.