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 a 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: 2011-2019 BMW 640i; 2013-2019 BMW 640i Gran Coupe; 2014-2019 BMW 640i xDrive Gran Coupe; 2008-2019 BMW X6; 2014-2018 BMW 640i xDrive; 2018 BMW 640i xDrive Gran Turismo; 2014-2018 BMW X4; 2011-2018 BMW X5; 2011-2017 BMW 535i; 2009-2017 BMW 535i GT; 2010-2017 BMW X3; 2011-2016 BMW 535i GT xDrive; 2011-2016 BMW 535i xDrive; 2012-2016 BMW ActiveHybrid 5; 2009-2015 BMW 740i; 2011-2015 BMW 740Li; 2013-2015 BMW 740Li xDrive; 2012-2015 BMW ActiveHybrid 7; 2011-2014 BMW X3 xDrive35i; 2012-2013 BMW X3 xDrive28i; 2012 BMW X3 35i; 2010 BMW X5 xDrive35i; 2009 BMW 740iL
| Country | USA |
| Brand | K&N |
| Manufacturer | K&N Engineering |
| Binding | Automotive |
| ItemPartNumber | 33-2428 |
| Model | 33-2428 |
| Warranty | Limited warranty |
| UnitCount | 1 |
| UPCs | 024844247216 |
| EANs | 0024844247216 |
| ReleaseDate | 2009-08-19 |
