K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.

Part KNE-2021 Product Specifications
Product Style: Round Air Filter
Height: 4.5 in (114 mm)
Inner Wire: No
Inside Diameter: 3.156 in (80 mm)
Outside Diameter: 5.125 in (130 mm)
Top Style: Rubber
Top Material/Finish: None
Filter Material: Cotton Gauze
Flanges: None
Filter Re-Oiling Amount: 0.81 oz (24 ml)

Filter Cross Reference
BMW 1371753274
BMW 13717532751
BMW 13717532754
BMW 13737532754
Mann-Hummel C1361

2012 BMW 320I 2.0L L4 F/I - Exc. F30/F31
2012 BMW 318I 2.0L L4 F/I - All
2012 BMW 316I 1.6L L4 F/I - N45N Eng
2011 BMW X1 18I 2.0L L4 F/I - All
2011 BMW 320I 2.0L L4 F/I - All
2011 BMW 318I 2.0L L4 F/I - All
2011 BMW 316I 1.6L L4 F/I - N45N Eng
2011 BMW 120I 2.0L L4 F/I - All
2011 BMW 118I 2.0L L4 F/I - All
2010 BMW X1 18I 2.0L L4 F/I - All
2010 BMW 320I 2.0L L4 F/I - All
2010 BMW 318I 2.0L L4 F/I - All
2010 BMW 316I 1.6L L4 F/I - N45N Eng
2010 BMW 120I 2.0L L4 F/I - All
2010 BMW 118I 2.0L L4 F/I - All
2010 BMW 116I 1.6L L4 F/I - All
2009 BMW 320I 2.0L L4 F/I - All
2009 BMW 318I 2.0L L4F/I - All
2009 BMW 316I 1.6L L4 F/I - N45N Eng
2009 BMW 118I 2.0L L4 F/I - All
2009 BMW 116I 1.6L L4 F/I - All
2008 BMW 320SI 2.0L L4 F/I - All
2008 BMW 320I 2.0L L4 F/I - All
2008 BMW 318I 2.0L L4 F/I - All
2008 BMW 318I 1.6L L4 F/I - N45N Eng
2008 BMW 120I 2.0L L4 F/I - All
2008 BMW 118I 2.0L L4 F/I - All
2008 BMW 116I 1.6L L4 F/I - All
2007 BMW 320SI 2.0L L4 F/I - All
2007 BMW 320I 2.0L L4 F/I - All
2007 BMW 318I 2.0L L4 F/I - All
2007 BMW 120I 2.0L L4 F/I - All
2007 BMW 118I 2.0L L4 F/I - All
2007 BMW 116I 1.6L L4 F/I - All
2006 BMW 320SI 2.0L L4 F/I - All
2006 BMW 320I 2.0L L4 F/I - All
2006 BMW 318I 2.0L L4 F/I - All
2006 BMW 120I 2.0L L4 F/I - All
2006 BMW 118I 2.0L L4 F/I - All
2006 BMW 116I 1.6L L4 F/I - All
2005 BMW 320I 2.0L L4 F/I - All
2005 BMW 318I 2.0L L4 F/I - 129BHP
2005 BMW 120I 2.0L L4 F/I - All
2005 BMW 118I 2.0L L4 F/I - All
2005 BMW 116I 1.6L L4 F/I - All
2004 BMW 120I 2.0L L4 F/I - All
2004 BMW 118I 2.0L L4 F/I - All
2004 BMW 116I 1.6L L4 F/I - All