K&N Engine Air Filter: High Performance, Washable, Replacement Filter: Compatible 2009-2017 BMW (520i, 528i, Z4 sDrive 18i, Z4, Z4 sDrive 20i, Z4 sDrive 28i, 528i xDrive, X1, X1 20i, X1 28i) 33-2963

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 virtually every vehicle 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. This part fits the following models: BMW 520i 2.0L L4 F/I (2011 - 2017) BMW 528i 2.0L L4 F/I (2011 - 2017) BMW 528i xDrive 2.0L L4 F/I (2012 - 2016) BMW X1 2.0L L4 F/I (2012 - 2015) BMW X1 20i 2.0L L4 F/I (2011 - 2015) BMW X1 28i 2.0L L4 F/I (2011 - 2015) BMW Z4 2.0L L4 F/I (2012 - 2017) BMW Z4 2.5L L6 F/I (2009 - 2010) BMW Z4 3.0L L6 F/I (2009 - 2011) BMW Z4 sDrive 18i 2.0L L4 F/I (2015 - 2017) BMW Z4 sDrive 20i 2.0L L4 F/I (2015 - 2017) BMW Z4 sDrive 28i 2.0L L4 F/I (2015 - 2017) This list is a sample of all the compatible cars for this part. Make sure this product fits your car by using the part finder above. Legal Disclaimer U.K MAINLAND SHIPPING ONLY