K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2015-2019 BMW (120i, 125i, 220i, 230i, 320i, 330e, 340i, 420i and other select models), 33-3051

K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. K&N air filters are backed by our famous 10-Year/Million Mile Limited Warranty, and they provide an environment friendly way to reduce landfill waste by avoiding disposable filters. Engineered to fit easily into your factory air box, installation can be completed in a matter of minutes! K&N develops and tests each product on the world’s toughest race tracks, so we can bring the highest level of performance to your daily driving. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration. Vehicle Fitment: 2016-2020 BMW 230i; 2017-2020 BMW 230i xDrive; 2016-2020 BMW 430i; 2017-2020 BMW 430i Gran Coupe; 2017-2020 BMW 430i xDrive; 2017-2020 BMW 430i xDrive Gran Coupe; 2016-2020 BMW 440i; 2017-2020 BMW 440i Gran Coupe; 2017-2020 BMW 440i xDrive; 2017-2020 BMW 440i xDrive Gran Coupe; 2016-2019 BMW 120i; 2016-2019 BMW 125i; 2016-2019 BMW 220i; 2015-2019 BMW 320i; 2016-2019 BMW 320i GT; 2015-2019 BMW 330e; 2017-2019 BMW 330i GT xDrive; 2017-2019 BMW 330i xDrive; 2015-2019 BMW 340i; 2016-2019 BMW 340i GT; 2016-2019 BMW 420i; 2019 BMW 420i Gran Coupe; 2016-2019 BMW M140i; 2016-2019 BMW M240i; 2017-2019 BMW M240i xDrive; 2015-2018 BMW 330i; 2017-2018 BMW 340i GT xDrive; 2016-2018 BMW 340i xDrive; 2016-2017 BMW 330i GT