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K&N Air Filters for 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 BMW 523i 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 Petrol Engine - All Models
Automotive
2011 BMW 523i 3.0L Air Filter
33-2970 33-2970 BMW 523i Air Filter
List Price: £83.63
Your Price: £63.59
2010 BMW 523i 2.5L L6 Petrol Engine - E60, E61
Automotive
2010 BMW 523i 2.5L Air Filter
33-2292 33-2292 BMW 523i Air Filter
List Price: £92.51
Your Price: £69.59
2010 BMW 523i 3.0L L6 Petrol Engine - F10, F11
Automotive
2010 BMW 523i 3.0L Air Filter
33-2970 33-2970 BMW 523i Air Filter
List Price: £83.63
Your Price: £63.59
2009 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
2009 BMW 523i 2.5L Air Filter
33-2292 33-2292 BMW 523i Air Filter
List Price: £92.51
Your Price: £69.59
2008 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
2008 BMW 523i 2.5L Air Filter
33-2292 33-2292 BMW 523i Air Filter
List Price: £92.51
Your Price: £69.59
2007 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
2007 BMW 523i 2.5L Air Filter
33-2292 33-2292 BMW 523i Air Filter
List Price: £92.51
Your Price: £69.59
2006 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
2006 BMW 523i 2.5L Air Filter
33-2292 33-2292 BMW 523i Air Filter
List Price: £92.51
Your Price: £69.59
2005 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
2005 BMW 523i 2.5L Air Filter
33-2292 33-2292 BMW 523i Air Filter
List Price: £92.51
Your Price: £69.59
2000 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
2000 BMW 523i 2.5L Air Filter
33-2070 33-2070 BMW 523i Air Filter
List Price: £68.99
Your Price: £52.79
1999 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
1999 BMW 523i 2.5L Air Filter
33-2070 33-2070 BMW 523i Air Filter
List Price: £68.99
Your Price: £52.79
1998 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
1998 BMW 523i 2.5L Air Filter
33-2070 33-2070 BMW 523i Air Filter
List Price: £68.99
Your Price: £52.79
1997 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
1997 BMW 523i 2.5L Air Filter
33-2070 33-2070 BMW 523i Air Filter
List Price: £68.99
Your Price: £52.79
1996 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
1996 BMW 523i 2.5L Air Filter
33-2070 33-2070 BMW 523i Air Filter
List Price: £68.99
Your Price: £52.79
1995 BMW 523i 2.5L L6 Petrol Engine - All Models
Automotive
1995 BMW 523i 2.5L Air Filter
33-2070 33-2070 BMW 523i Air Filter
List Price: £68.99
Your Price: £52.79

K&N replacement air filters are designed to increase horsepower and performance in your BMW 523i.