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BMW 325i Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any BMW 325i air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for BMW 325i Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your BMW 325i run better. Fast and FREE SHIPPING with any BMW 325i air filter

  1. 2025 BMW 325i 2.0L L4 Gas air filter
    CZK 2,909.99
    33-3136
    K&N
  2. 2024 BMW 325i 2.0L L4 Gas air filter
    CZK 615.89
    KNA-3136
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 330I L4-2.0L TURBO F/I/DSL
  3. 2024 BMW 325i 2.0L L4 Gas air filter
    CZK 2,909.99
    33-3136
    K&N
  4. 2023 BMW 325i 2.0L L4 Gas air filter
    CZK 2,909.99
    33-3136
    K&N
  5. 2022 BMW 325i 2.0L L4 Gas air filter
    CZK 615.89
    KNA-3136
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 330I L4-2.0L TURBO F/I/DSL
  6. 2022 BMW 325i 2.0L L4 Gas air filter
    CZK 2,909.99
    33-3136
    K&N
  7. 2013 BMW 325i 3.0L L6 Gas air filter
    CZK 2,546.19
    33-2367
    K&N
  8. 2012 BMW 325i 3.0L L6 Gas air filter
    CZK 2,546.19
    33-2332
    K&N
  9. 2012 BMW 325i 3.0L L6 Gas air filter
    CZK 615.89
    KNA-2332
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 325 3.0L-L6 E90 & 330 E90 3.0L-L6
  10. 2011 BMW 325i 3.0L L6 Gas air filter
    CZK 615.89
    KNA-2332
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 325 3.0L-L6 E90 & 330 E90 3.0L-L6
  11. 2011 BMW 325i 3.0L L6 Gas air filter
    CZK 2,546.19
    33-2332
    K&N
  12. 2010 BMW 325i 3.0L L6 Gas air filter
    CZK 2,546.19
    E-2022
    K&N
  13. 2010 BMW 325i 3.0L L6 Gas air filter
    CZK 2,546.19
    33-2332
    K&N
  14. 2009 BMW 325i 3.0L L6 Gas air filter
    CZK 2,546.19
    E-2022
    K&N
  15. 2008 BMW 325i 2.5L L6 Gas air filter
    CZK 2,546.19
    E-2022
    K&N
  16. 2007 BMW 325i 2.5L L6 Gas air filter
    CZK 2,546.19
    E-2022
    K&N
  17. 2006 BMW 325i 3.0L L6 Gas air filter
    CZK 2,546.19
    E-2022
    K&N
  18. 2006 BMW 325i 3.0L L6 Gas air filter
    CZK 615.89
    KNA-2332
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 325 3.0L-L6 E90 & 330 E90 3.0L-L6
  19. 2006 BMW 325i 3.0L L6 Gas air filter
    CZK 2,546.19
    33-2332
    K&N
  20. 2005 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2231
    K&N
  21. 2005 BMW 325i 2.5L L6 Gas air filter
    CZK 615.89
    KNA-2231
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 325I/ 325CI/ X3/ 330CI
  22. 2005 BMW 325i 2.5L L6 Gas air filter
    CZK 2,546.19
    E-2022
    K&N
  23. 2004 BMW 325i 2.5L L6 Gas air filter
    CZK 615.89
    KNA-2231
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 325I/ 325CI/ X3/ 330CI
  24. 2004 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2231
    K&N
  25. 2003 BMW 325i 2.5L L6 Gas air filter
    CZK 615.89
    KNA-2231
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 325I/ 325CI/ X3/ 330CI
  26. 2003 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2231
    K&N
  27. 2002 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2231
    K&N
  28. 2002 BMW 325i 2.5L L6 Gas air filter
    CZK 615.89
    KNA-2231
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 325I/ 325CI/ X3/ 330CI
  29. 2001 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2231
    K&N
  30. 2000 BMW 325i 2.5L L6 Gas air filter
    CZK 615.89
    KNA-2231
    K&N LONG LIFE 18,000 MILE ENGINE AIR FILTER - BMW 325I/ 325CI/ X3/ 330CI
  31. 2000 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2231
    K&N
  32. 1999 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  33. 1998 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  34. 1997 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  35. 1996 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  36. 1995 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  37. 1994 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  38. 1993 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  39. 1993 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  40. 1992 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  41. 1992 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  42. 1991 BMW 325i 2.5L L6 Gas air filter
    CZK 2,279.39
    33-2070
    K&N
  43. 1991 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  44. 1990 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  45. 1989 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  46. 1988 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  47. 1987 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  48. 1986 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  49. 1985 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  50. 1984 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
  51. 1983 BMW 325i 2.5L L6 Gas air filter
    CZK 2,036.79
    33-2059
    K&N
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