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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 |
|---|---|---|---|
| 2015-2017 | BMW | X3 | sDrive28i |
| 2015-2017 | BMW | X3 | xDrive28d |
| 2011-2017 | BMW | X3 | xDrive28i |
| 2011-2012 | BMW | X3 | xDrive35i |
| 2017 | BMW | X4 | M40i |
| 2015-2018 | BMW | X4 | xDrive28i |
Your order of $500 or more gets free standard delivery.
- Standard delivered 4-5 Business Days
- Express delivered 2-4 Business Days
Orders are processed and delivered Monday-Friday (excluding public holidays)
eMarket members enjoy free returns.
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