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K&N Performance High-Flow Engine Air Filter: Washable, Multi-Layer Protection, Engineered to Boost Horsepower, 33-2231

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Key item features

2001-2006 BMW 325 6 Cyl 2.5 L 2005-2006 BMW X3 6 Cyl 3 L 2001-2006 BMW 330 6 Cyl 3 L 1999-2000 BMW 323 6 Cyl 2.5 L 2004 BMW X3 6 Cyl 2.5 L 2001-2006 BMW M3 6 Cyl 3.2 L 2000 BMW 328 6 Cyl 2.8 L 1999 BMW 318 4 Cyl 1.9 L
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

Specs

Manufacturer part number, 33-2231Compatible cars, 1996-2007 BMW L6 (325Ci, M3, X3, 320Ci, 320i, 325Ti & other select models)Vehicle make, BMWVehicle model, M3CI, 325ti, 325CI, 320IVehicle year, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007Engine air filter type, Gauze

About this item

Product details

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

2001-2006 BMW 325 6 Cyl 2.5 L 2005-2006 BMW X3 6 Cyl 3 L 2001-2006 BMW 330 6 Cyl 3 L 1999-2000 BMW 323 6 Cyl 2.5 L 2004 BMW X3 6 Cyl 2.5 L 2001-2006 BMW M3 6 Cyl 3.2 L 2000 BMW 328 6 Cyl 2.8 L 1999 BMW 318 4 Cyl 1.9 L
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

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Specifications

Manufacturer part number

33-2231

Compatible cars

1996-2007 BMW L6 (325Ci, M3, X3, 320Ci, 320i, 325Ti & other select models)

Vehicle make

BMW

Vehicle model

M3CI, 325ti, 325CI, 320I

Directions

Fabric Care Instructions

Yes

Warranty

Warranty information

LIMITED LIFETIME REPLACEMENT

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Compatible vehicles

Year	Make	Model	Submodel	Engine
2006	BMW	X3	All Submodels	L6 3.0L 2979cc
2006	BMW	M3	All Submodels	L6 3.2L 3246cc
2006	BMW	330Ci	All Submodels	L6 3.0L 2979cc
2006	BMW	325Ci	All Submodels	L6 2.5L 2494cc
2005	BMW	X3	All Submodels	L6 2.5L 2494cc
2005	BMW	X3	All Submodels	L6 3.0L 2979cc
2005	BMW	M3	All Submodels	L6 3.2L 3246cc
2005	BMW	330xi	All Submodels	L6 3.0L 2979cc
2005	BMW	330i	All Submodels	L6 3.0L 2979cc
2005	BMW	330Ci	All Submodels	L6 3.0L 2979cc
2005	BMW	325xi	All Submodels	L6 2.5L 2494cc
2005	BMW	325i	All Submodels	L6 2.5L 2494cc
2005	BMW	325Ci	All Submodels	L6 2.5L 2494cc
2005	BMW	320i	All Submodels	L6 2.2L 2171cc
2004	BMW	X3	All Submodels	L6 2.5L 2494cc
2004	BMW	X3	All Submodels	L6 3.0L 2979cc
2004	BMW	M3	All Submodels	L6 3.2L 3246cc
2004	BMW	330xi	All Submodels	L6 3.0L 2979cc
2004	BMW	330i	All Submodels	L6 3.0L 2979cc
2004	BMW	330Ci	All Submodels	L6 3.0L 2979cc
2004	BMW	325xi	All Submodels	L6 2.5L 2494cc
2004	BMW	325i	All Submodels	L6 2.5L 2494cc
2004	BMW	325Ci	All Submodels	L6 2.5L 2494cc
2004	BMW	320i	All Submodels	L6 2.2L 2171cc
2003	BMW	M3	All Submodels	L6 3.2L 3246cc
2003	BMW	330xi	All Submodels	L6 3.0L 2979cc
2003	BMW	330i	All Submodels	L6 3.0L 2979cc
2003	BMW	330Ci	All Submodels	L6 3.0L 2979cc
2003	BMW	325xi	All Submodels	L6 2.5L 2494cc
2003	BMW	325i	All Submodels	L6 2.5L 2494cc
2003	BMW	325Ci	All Submodels	L6 2.5L 2494cc
2003	BMW	320i	All Submodels	L6 2.2L 2171cc
2002	BMW	M3	All Submodels	L6 3.2L 3246cc
2002	BMW	330xi	All Submodels	L6 3.0L 2979cc
2002	BMW	330i	All Submodels	L6 3.0L 2979cc
2002	BMW	330Ci	All Submodels	L6 3.0L 2979cc
2002	BMW	325xi	All Submodels	L6 2.5L 2494cc
2002	BMW	325i	All Submodels	L6 2.5L 2494cc
2002	BMW	325Ci	All Submodels	L6 2.5L 2494cc
2002	BMW	320i	All Submodels	L6 2.2L 2171cc
2001	BMW	M3	All Submodels	L6 3.2L 3246cc
2001	BMW	330xi	All Submodels	L6 3.0L 2979cc
2001	BMW	330i	All Submodels	L6 3.0L 2979cc
2001	BMW	330Ci	All Submodels	L6 3.0L 2979cc
2001	BMW	325xi	All Submodels	L6 2.5L 2494cc
2001	BMW	325i	All Submodels	L6 2.5L 2494cc
2001	BMW	325Ci	All Submodels	L6 2.5L 2494cc
2001	BMW	320i	All Submodels	L6 2.2L 2171cc
2000	BMW	328i	All Submodels	L6 2.8L 2793cc
2000	BMW	328Ci	All Submodels	L6 2.8L 2793cc
2000	BMW	323i	All Submodels	L6 2.5L 2494cc
2000	BMW	323Ci	All Submodels	L6 2.5L 2494cc
1999	BMW	323i	All Submodels	L6 2.5L 2494cc
1999	BMW	318ti	All Submodels	L4 1.9L 1895cc
1999	BMW	318i	All Submodels	L4 1.9L 1895cc