K&N 33-2254 | Air Filter

Part Number
Replacement Air Filter

Fits: 02-05 BMW 745i, 02-05 BMW 745Li, 03-06 BMW 760Li, 04-06 BMW 760i, 08 BMW 760Li, 06 BMW 750i, 06 BMW 750Li, 08 BMW 750i

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K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!



  • Designed To Boost Horsepower And Acceleration
  • High Air Flow With Exceptional Filtration
  • Million Mile Limited Warranty
  • Replacement Air Filter
  • Washable And Reusable
  • Replacement Air Filter
  • Works With Original Equip. Mfg. Vehicle Electronics
  • Lasts Up To 50000 Miles Before Cleaning
  • Will Not Void Vehicle Warranty
  • K/N s replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection| and are covered by K/N s 10-Year/Million Mile Limited Warranty.


Automotive Item GradeHigh Performance
Cap Outside DiameterN/A
ColorHeather Red
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.32 oz (39 ml)
Filter StyleDry
Flange Angle0 Degree
Frame DesignFlexible
Inside DiameterOEM
Item Height1.125 in. (29mm)
Item Weight0.900 lbs. (0.4 kg)
Machine WashableYes
Oil IncludedFilter Is Pre-Oiled
Outside DiameterOEM
Outside Length11.500 in. (292mm)
Outside Width7.313 in. (186mm)
Overall LengthN/A
Package Content1
Package Contents1 Air Filter
Package MaterialPaperboard
Package Quantity1
Package TypeBox
Product Box Height11.560 in. (294mm)
Product Box Length10.440 in. (265mm)
Product Box Width1.750 in. (44 mm)
Prop 65 (C, R or CR)CR
Prop 65 Warning Labelhttps://www.knfilters.com/images/l/prop65.jpg
TitleK&N 33-2254 Replacement Air Filter
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Width7.313 in.

Panel| H-1.125 in.| L-11.5 in.| W-7.313 in.


  • Luberfiner: AF7033
  • BMW: 13717505007
  • Ryco: A1741
  • BMC: 30501
  • Service Champ: AF5558
  • Mann-Filter: C30153
  • ACDelco: A2963C
  • Precise Lines: PA5558
  • Wix: 46939
  • Warner Swasey: WAF7033
  • Wix: 49701
  • Fram: CA9634
  • BMW: 13717526008
  • BMC: FB30501
  • STP Filters: SA9634
  • Mobil: AF7033
  • Purolator: A25558


  • 2006-2006 BMW 750i
  • 2002-2005 BMW 745i
  • 2006-2006 BMW 750Li
  • 2002-2005 BMW 745Li
  • 2008-2008 BMW 750i
  • 2004-2006 BMW 760i
  • 2003-2006 BMW 760Li
  • 2008-2008 BMW 760Li
Customer Questions
Can K&N filters get wet?
No, K&N filters should not get wet.
When to clean K&N air filter?
K&N air filters should be cleaned approximately every 50,000 miles (80,000 kilometers) or as recommended by the manufacturer.
Will K&N filter increase mpg?
It is possible for a K&N air filter to slightly improve fuel efficiency (MPG) under certain conditions.
What does K&N mean?
K&N stands for the names of the two founders of the company, Ken Johnson and Norm McDonald.
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