K&N Filters 33-2332 Replacement Air Filter For BMW 325 3.0L-L6 E90 & 330 E90 3.0L-L6 2006

K&N Filters 33-2332 Replacement Air Filter For BMW 325 3.0L-L6 E90 & 330 E90 3.0L-L6 2006

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Part Number:KNE-33-2332

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K&N Filters 33-2332 Replacement Air Filter For BMW 325 3.0L-L6 E90 & 330 E90 3.0L-L6 2006
Part 33-2332 Product Specifications
 Product Style: Unique Air Filters
Filter Material: Cotton Gauze
Flanges: None
Height: 1.188 in (30 mm)
Filter Re-Oiling Amount: 1.6 oz (47 ml)
Outside Length: 10.5 in (267 mm)
Outside Width: 10.5 in (267 mm)
Weight: 0.92 lb (0.42 kg)
Product Box Length: 10.44 in (265 mm)
Product Box Width: 1.75 in (44 mm)
Product Box Height: 11.56 in (294 mm)


Available Information
33-2332 Cross Reference
Installation Instruction Sheet
Air Filter Test Data
News Story - 2006, 2007, 2008 and 2009 BMW 3-Series Models Benefit fromK&N Air Filter
33-2332 Vehicle Applications
Designed to Increase Horsepower& Acceleration

K&N Million Mile Limited Warranty®

Washable and Reusable

  • Will NOT Void Vehicle Warranty
  • Lasts up to 50,000 miles before cleaning is required dependingon driving conditions
  • Emissions Legal in all 50 US States.
  • Economical, a K&N Air Filter Will Last the Life of YourAutomobile, Motorcycle, or ATV
  • Works with Vehicle Electronics
  • Environmentally Friendly

The Original High-Flow AirFilter
Since 1969 K&N Engineering has been designing, manufacturing, and enhancingHigh-Flow Air Filters for the automotive and motorcycle enthusiast interested inmaximizing horsepower and acceleration.  Since our humble beginnings we havedesigned and manufactured over 2,400 High-Flow Air Filters to fit most modernpassenger vehicles and over 500 High-FlowAir Intake Systemsto fit vehicles driven by enthusiast minded drivers.  We not only have moreapplications than any other manufacturer of similar product, we invented theHigh-Flow category and the High-Flow Technology that supports it.  K&N alsomakes thousands ofracing and specialty type air filters and is the #1 Filter in NASCAR®.


The K&NFilterCharger®air filter is designed to achieve high, virtually unrestricted air flowwhile maintaining filtration levels critical to ensure long engine life. Our automotiveOE (original equipment) replacement air filters generally add 1-4horsepower. The secret to our success lies in the unique characteristicsof our filter medium that was originally developed by K&N all those yearsago in the dust, sweat and tears of desert motocross racing.  We justwanted to win races and stumbled on a cotton filtration technologydestined to be great.  Our high flow cotton gauze air filter is washable,reusable and built to last for the life of an automotive or motorcycleengine.  K&N air filters consist of four to six sheets of cotton gauzelayered between two sheets of aluminum wire mesh.  This media is thenpleated and oiled to enhance its filtering capabilities and overallperformance.  K&N Air Filters were created for an environment requiringmaximum horsepower and enhanced acceleration in addition to protectionfrom the dirt and dust of off-road racing.  The result is an air filterthat allows dramatically more air into an engine, is washable andreusable, and will protect your engine for the life of your vehicle. 

Engine Protection,Filtration
Anyone can flow more air.  The trick is to flow more air safely.  In ouropinion we hit the sweet spot – an optimal blend of high air flow,filtration efficiency, durability and dust capacity.  We take filtrationseriously.  K&N Air Filter media has been tested both in-house and byindependent labs using the ISO5011 test developed by the Society ofAutomotive Engineers.  In addition we test many of our filters both in andout of the OE airbox ensuring proper fit and function.  Our goal is todesign filters with the maximum possible airflow achievable whileproviding guaranteed engine protection.


The Importance of Oil
A K&N Air Filter is made of 4 to 6 layers of cotton gauze sandwiched between twoepoxy-coated aluminum wire screens.  The cotton is treated with a speciallyformulated grade of oil causing tackiness throughout the cotton’s microscopicstrands.  The nature of the cotton allows high volumes of airflow, and whencombined with the tackiness of the oil creates a powerful filtering media thatensures engine protection.  In contrast, most other media can not maintain thesame balance of airflow and filtration throughout the filter's life withoutsacrificing one or the other.  With a K&N Air Filter, there is no sacrifice.

Testing –Laboratory and Real World
K&N uses independent laboratories to help ensure that our products meet orexceed your high performance and high filtration demands.  Better yet, weconduct our own testing at our own state-of-the-art in-house testinglaboratory.  For more information on K&N air filters and testing go to theK&N Technical LearningCenter area.  K&N’s dedication to providing afirst-class air filter can also be seen outside the testing laboratory. Considerthat K&N has sold more than 20 million air filters since 1969. One such filterwas put in the airbox of a three-quarter ton Chevy pickup and driven more thanone million miles by Carl Judice of New Iberia, Louisiana. Carl points out thathe has never rebuilt the engine, nor removed the cylinder head from his trustypickup truck. Real world testing and customer satisfaction doesn’t get anybetter than that.Click herefor more information on Carl and his million mile truck.  

Never Replace Your Air Filter Again
Handmade in the USA and in the United Kingdom using only the finest materials,K&N OE Replacement Air Filters are washable and reusable.  Regardless of whatyou’ve heard, it’s almost impossible to wash your K&N Air Filter too much. Inside our testing laboratory, we have washed and re-oiled one K&N Air Filtermore than 100 times and it still performs up to specification.  Depending onyour driving conditions, we recommend cleaning your air filter every 50,000miles.  To clean and re-oil, purchase our filterRecharger®service kitand follow the easy instructions.

Fuel Economy
Fuel economy testing and mileage claims are a tricky business. Just ask the EPA,whose website states, “EPA’s fuel economy estimates are designed to allowconsumers to comparison shop.  Your fuel economy will almost certainly vary fromEPA’s fuel economy rating.  This is based on a number of factors, such asweather, road conditions, your driving and maintenance habits, and your use ofair conditioning.”  A lot of exaggerated claims are made in the marketplace byproducts claiming to improve gas mileage.  K&N makes no general fuel economyclaims, however we encourage you to try our air filter for yourself.  Keepingair filter restriction as low as possible can be an important tool, amongothers, for maintaining high mileage.  For more info read what some of our usershave to say on theK&Ntestimonials page.

K&N Million Mile Limited Warranty® and Consumer Protection Pledge
K&N warrants its street vehicle OE Replacement Air Filters for one millionmiles. When used properly and found to be defective, return your filter and thereceipt from purchase and K&N will replace it free of charge. K&N’s ConsumerProtection Plan goes one step further than itsMillion MileWarranty. The performance aftermarket has, at times, been plagued by carmanufacturers and automotive dealers that may attempt to discourage you fromcustomizing your vehicle. They prefer you buy OE parts and not modify your caror truck and have even been known to void their own manufacturer’s warranty dueto vehicle modification. That sounds un-American to us, which is why K&N and theMagnuson-Moss Warranty Act (moreinformation here) protect consumers from such denied warranty claims.  Whenyou buy an OE replacement K&N High-Flow Air Filter or High-Flow Air IntakeSystem you can be confident your vehicle’s warranty will remain in effect.  Ifyou experience a difficult dealership, K&N will resolve the issue so you won’thave to. The following summarizes the K&N Consumer Protection Pledge:
K&N pledges to our customers that they will not be taken advantage of andcharged for a repair due to a dealership warranty denial blamed on the presenceof a K&N product..

See our pledge page for more details.

We believe K&N makes TheWorld’s Best Air Filter and we stand behind that claim 100 percent.

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