K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Technical Bulletin- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
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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 BMW 430i Base 2017-2020 BMW 430i Gran Coupe Base 2017-2020 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 2017-2021 BMW M240i xDrive Base
