K&N 33-2231 Engine Air Filter: High Performance Premium Washable Replacement Filter: 1996-2007 BMW L6 (325Ci M3 X3 320Ci 320i 325Ti and Other Select M

K&N Engine Air Filter: High Performance Premium Washable Replacement Filter: 1996-2007 BMW L6 (325Ci M3 X3 320Ci 320i 325Ti and other select models) 33-2231 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 environmentally 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: 2000-2007 BMW 325Ci; 2000-2007 BMW M3; 2000-2006 BMW 330Ci; 2004-2006 BMW X3; 1999-2005 BMW 320Ci; 1998-2005 BMW 320i; 2000-2005 BMW 325i; 2001-2005 BMW 325Ti; 2000-2005 BMW 325Xi; 2000-2005 BMW 330i; 2000-2005 BMW 330Xi; 2000-2002 BMW 316Ci; 1998-2002 BMW 316i; 1999-2001 BMW 318Ci; 1996-2001 BMW 318i; 1999-2000 BMW 323Ci; 1998-2000 BMW 323i; 1999-2000 BMW 328Ci; 1998-2000 BMW 328i; 1999 BMW 318ti.