K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2009-2013 BMW (520i, 523i, 528i, 530i, 528i xDrive, 730i), 33-2970

Compatible Vehicles:2011-2013 BMW 530i2010-2011 BMW 520i2010-2011 BMW 523i2010-2011 BMW 528i2010-2011 BMW 528i xDrive2009-2011 BMW 730iCross Reference:AC Delco A3313CBMW 13717590593BMW 13717590597Fram CA10022Mahle LX1741Mann-Hummel C30003MicroGard MGA42839Purolator A45620Simota OB012WIX 42839WIX 49555WIX WA9705

• 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