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K&N Air Filters for the BMW 523i

BMW 523i Replacement Air Filters

Buy now from the K&N's Online Store and get a 100% money back guarantee on any air filter!
  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • K&N Million Mile Limited Warranty®
  • Lasts up to 50,000 Miles Before Cleaning is Required Depending on Driving Conditions
Buy a K&N air filter. Help your BMW 523i run better.
K&N Automotive Replacement Air Filters
Vehicle DescriptionPart NumberProduct Image 
2011 BMW 523i 3.0L L6 F/I - All
Automotive
2011 BMW 523i 3.0L Air Filter
33-2970 33-2970 523i Air Filter Product Info
2010 BMW 523i 2.5L L6 F/I - E60, E61
Automotive
2010 BMW 523i 2.5L Air Filter
33-2292 33-2292 523i Air Filter Product Info
2010 BMW 523i 3.0L L6 F/I - F10, F11
Automotive
2010 BMW 523i 3.0L Air Filter
33-2970 33-2970 523i Air Filter Product Info
2009 BMW 523i 2.5L L6 F/I - All
Automotive
2009 BMW 523i 2.5L Air Filter
33-2292 33-2292 523i Air Filter Product Info
2008 BMW 523i 2.5L L6 F/I - All
Automotive
2008 BMW 523i 2.5L Air Filter
33-2292 33-2292 523i Air Filter Product Info
2007 BMW 523i 2.5L L6 F/I - All
Automotive
2007 BMW 523i 2.5L Air Filter
33-2292 33-2292 523i Air Filter Product Info
2006 BMW 523i 2.5L L6 F/I - All
Automotive
2006 BMW 523i 2.5L Air Filter
33-2292 33-2292 523i Air Filter Product Info
2005 BMW 523i 2.5L L6 F/I - All
Automotive
2005 BMW 523i 2.5L Air Filter
33-2292 33-2292 523i Air Filter Product Info
2000 BMW 523i 2.5L L6 F/I - All
Automotive
2000 BMW 523i 2.5L Air Filter
33-2070 33-2070 523i Air Filter Product Info
1999 BMW 523i 2.5L L6 F/I - All
Automotive
1999 BMW 523i 2.5L Air Filter
33-2070 33-2070 523i Air Filter Product Info
1998 BMW 523i 2.5L L6 F/I - All
Automotive
1998 BMW 523i 2.5L Air Filter
33-2070 33-2070 523i Air Filter Product Info
1997 BMW 523i 2.5L L6 F/I - All
Automotive
1997 BMW 523i 2.5L Air Filter
33-2070 33-2070 523i Air Filter Product Info
1996 BMW 523i 2.5L L6 F/I - All
Automotive
1996 BMW 523i 2.5L Air Filter
33-2070 33-2070 523i Air Filter Product Info
1995 BMW 523i 2.5L L6 F/I - All
Automotive
1995 BMW 523i 2.5L Air Filter
33-2070 33-2070 523i Air Filter Product Info

K&N replacement air filters can help your car or truck run better.