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BMW 525i Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any BMW 525i air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for BMW 525i Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your BMW 525i run better. Fast and FREE SHIPPING with any BMW 525i air filter

  1. 2010 BMW 525i 3.0L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  2. 2009 BMW 525i 3.0L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  3. 2008 BMW 525i 3.0L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  4. 2008 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  5. 2007 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  6. 2007 BMW 525i 3.0L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  7. 2006 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  8. 2006 BMW 525i 3.0L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  9. 2005 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  10. 2004 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,710.49 Regular Price CZK 2,280.59
    33-2070
    K&N
  11. 2004 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  12. 2003 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2292
    K&N
  13. 2003 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,710.49 Regular Price CZK 2,280.59
    33-2070
    K&N
  14. 2002 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,710.49 Regular Price CZK 2,280.59
    33-2070
    K&N
  15. 2001 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,710.49 Regular Price CZK 2,280.59
    33-2070
    K&N
  16. 2000 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,710.49 Regular Price CZK 2,280.59
    33-2070
    K&N
  17. 1996 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2078
    K&N
  18. 1995 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2078
    K&N
  19. 1994 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2078
    K&N
  20. 1993 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2078
    K&N
  21. 1992 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2078
    K&N
  22. 1991 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2078
    K&N
  23. 1991 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,520.39 Regular Price CZK 2,027.29
    33-2059
    K&N
  24. 1990 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2078
    K&N
  25. 1990 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,520.39 Regular Price CZK 2,027.29
    33-2059
    K&N
  26. 1989 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,520.39 Regular Price CZK 2,027.29
    33-2059
    K&N
  27. 1989 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,900.69 Regular Price CZK 2,534.19
    33-2078
    K&N
  28. 1988 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 1,520.39 Regular Price CZK 2,027.29
    33-2059
    K&N
  29. 1987 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 2,470.79 Regular Price CZK 3,294.39
    33-2005
    K&N
  30. 1986 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 2,470.79 Regular Price CZK 3,294.39
    33-2005
    K&N
  31. 1985 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 2,470.79 Regular Price CZK 3,294.39
    33-2005
    K&N
  32. 1984 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 2,470.79 Regular Price CZK 3,294.39
    33-2005
    K&N
  33. 1983 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 2,470.79 Regular Price CZK 3,294.39
    33-2005
    K&N
  34. 1982 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 2,470.79 Regular Price CZK 3,294.39
    33-2005
    K&N
  35. 1981 BMW 525i 2.5L L6 Gas air filter
    Special Price CZK 2,470.79 Regular Price CZK 3,294.39
    33-2005
    K&N
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