BMW R18 Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any BMW R18 air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for BMW R18 Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your BMW R18 run better. Fast and FREE SHIPPING with any BMW R18 air filter

  1. 2025 BMW R18 1802 air filter
    Special Price € 74,99 Regular Price € 99,99
    BM-1821
    K&N
  2. 2024 BMW R18 1802 air filter
    Special Price € 74,99 Regular Price € 99,99
    BM-1821
    K&N
  3. 2023 BMW R18 1802 air filter
    Special Price € 74,99 Regular Price € 99,99
    BM-1821
    K&N
  4. 2022 BMW R18 1802 air filter
    Special Price € 74,99 Regular Price € 99,99
    BM-1821
    K&N
  5. 2021 BMW R18 1802 air filter
    Special Price € 74,99 Regular Price € 99,99
    BM-1821
    K&N
  6. 2020 BMW R18 1802 air filter
    Special Price € 74,99 Regular Price € 99,99
    BM-1821
    K&N
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