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K&N Air Filters for the BMW 523i

BMW 523i Replacement Air Filters

These K&N air filters are designed to increase horsepower and acceleration in your BMW 523i while offering excellent filtration and engine protection.
  • Designed to Increase Horsepower in the BMW 523i
  • 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
K&N replacement air filters are washable, reusable and built to last the life of your BMW 523i.
K&N Automotive Replacement Air Filters
Vehicle DescriptionTypeProductPart NumberProduct Image 
2011 BMW 523i 3.0L L6 F/I - AllAutomotiveAir Filter 33-2970 33-2970 BMW 523i Air Filter
List Price: $89.19
Your Price: $59.99
2010 BMW 523i 2.5L L6 F/I - E60, E61AutomotiveAir Filter 33-2292 33-2292 BMW 523i Air Filter
List Price: $96.49
Your Price: $65.99
2010 BMW 523i 3.0L L6 F/I - F10, F11AutomotiveAir Filter 33-2970 33-2970 BMW 523i Air Filter
List Price: $89.19
Your Price: $59.99
2009 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2292 33-2292 BMW 523i Air Filter
List Price: $96.49
Your Price: $65.99
2008 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2292 33-2292 BMW 523i Air Filter
List Price: $96.49
Your Price: $65.99
2007 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2292 33-2292 BMW 523i Air Filter
List Price: $96.49
Your Price: $65.99
2006 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2292 33-2292 BMW 523i Air Filter
List Price: $96.49
Your Price: $65.99
2005 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2292 33-2292 BMW 523i Air Filter
List Price: $96.49
Your Price: $65.99
2000 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2070 33-2070 BMW 523i Air Filter
List Price: $74.29
Your Price: $50.99
1999 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2070 33-2070 BMW 523i Air Filter
List Price: $74.29
Your Price: $50.99
1998 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2070 33-2070 BMW 523i Air Filter
List Price: $74.29
Your Price: $50.99
1997 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2070 33-2070 BMW 523i Air Filter
List Price: $74.29
Your Price: $50.99
1996 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2070 33-2070 BMW 523i Air Filter
List Price: $74.29
Your Price: $50.99
1995 BMW 523i 2.5L L6 F/I - AllAutomotiveAir Filter 33-2070 33-2070 BMW 523i Air Filter
List Price: $74.29
Your Price: $50.99

Buy a K&N air filter today and help your BMW 523i run better.