K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.
Technical Bulletin
This Part Fits:
Technical Bulletin
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | BMW | 230i | Base |
| 2017-2021 | BMW | 230i xDrive | Base |
| 2015-2017 | BMW | 320i | Base |
| 2016 | BMW | 320i xDrive | Base |
| 2016,2018 | BMW | 330e | Base |
| 2017 | BMW | 330e | iPerformance |
| 2017-2018 | BMW | 330i | Base |
| 2017-2019 | BMW | 330i GT xDrive | Base |
| 2017-2019 | BMW | 330i xDrive | Base |
| 2016-2018 | BMW | 340i | Base |
| 2017-2018 | BMW | 340i GT xDrive | Base |
| 2016-2018 | BMW | 340i xDrive | Base |
| 2017-2020,2022 | BMW | 430i | Base |
| 2017-2020,2022 | BMW | 430i Gran Coupe | Base |
| 2017-2020,2022 | BMW | 430i xDrive | Base |
| 2017-2020 | BMW | 430i xDrive Gran Coupe | Base |
| 2017-2020 | BMW | 440i | Base |
| 2017-2020 | BMW | 440i Gran Coupe | Base |
| 2017-2020 | BMW | 440i xDrive | Base |
| 2017-2020 | BMW | 440i xDrive Gran Coupe | Base |
| 2017-2021 | BMW | M240i | Base |
| 2017-2019,2021 | BMW | M240i xDrive | Base |