K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 1996-2007 BMW L6 (325Ci, M3, X3, 320Ci, 320i, 325Ti & other select models), 33-2231

Compatible Vehicles: 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 Cross Reference: AC Delco A1414C; BMC 13201; BMC FB13201; BMW 13721730946; BMW 13721744869; Carquest 88320; Carquest BA5105; Carquest DW88320; Champ Labs. AF7885; Fram CA9007; Luber-Finer AF7885; Mann-Hummel C25114; MicroGard MGA46320; Mobil AF7885; Napa 6320; Premium Guard PA5105; Purepro A5105; Purolator A35442; Purolator A45105; Repco RAF259; Ryco A1413; Service Champ AF5105; STP SA5350; Valvoline VFAP7865; Warner WAF7885; Wesfil WA1006; WIX 42168; WIX 46320

• ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
• RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
• 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
• CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
• REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
• ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
• EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability