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 KN33-2294 Product Specifications
Product Style: Unique Air Filters
Filter Material: Cotton Gauze
Flanges: None
Height: 1.125 in (29 mm)
Filter Re-Oiling Amount: 2.02 oz (60 ml)
Outside Length: 12.188 in (310 mm)
Outside Width: 10.688 in (271 mm)

Filter Cross Reference
AC Delco A1411C
Beck/Arnley 0421558
BMW 13717521023
BMW 13717521037
BMW 13717541023
Fram CA7651
Mann-Hummel C311491
WIX 42295

2011 BMW 650I 4.8L V8 F/I - E63/E64
2010 BMW 650I 4.8L V8 F/I - All
2010 BMW 550I 4.8L V8 F/I - All
2010 BMW 540I 4.0L V8 F/I - All
2010 BMW 520I 2.0L L6 F/I - All
2009 BMW 650I 4.8L V8 F/I - All
2009 BMW 550I 4.8L V8 F/I - All
2009 BMW 540I 4.0L V8 F/I - All
2009 BMW 520I 2.0L L6 F/I - All
2008 BMW 650I 4.8L V8 F/I - All
2008 BMW 550I 4.8L V8 F/I - All
2008 BMW 540I 4.0L V8 F/I - All
2008 BMW 520I 2.2L L6 F/I - All
2007 BMW 650I 4.8L V8 F/I - All
2007 BMW 550I 4.8L V8 F/I - All
2007 BMW 540I 4.0L V8 F/I - All
2007 BMW 520I 2.2L L6 F/I - All
2006 BMW 650I 4.8L V8 F/I - All
2006 BMW 550I 4.8L V8 F/I - All
2006 BMW 540I 4.0L V8 F/I - All
2005 BMW 650I 4.8L V8 F/I - All
2005 BMW 645CI 4.4L V8 F/I - All
2005 BMW 550I 4.8L V8 F/I - All
2005 BMW 545I 4.4L V8 F/I - All
2005 BMW 540I 4.0L V8 F/I - All
2004 BMW 645CI 4.4L V8 F/I - All
2004 BMW 545I 4.4L V8 F/I - All
2003 BMW 545I 4.4L V8 F/I - All