BMW X4 M40d Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any BMW X4 M40d air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for BMW X4 M40d Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your BMW X4 M40d run better. Fast and FREE SHIPPING with any BMW X4 M40d air filter

  1. 2023 BMW X4 M40d 3.0L L6 Diesel air filter
    $64.99 Regular Price $58.49 Special Price
    33-3079
    K&N
  2. 2022 BMW X4 M40d 3.0L L6 Diesel air filter
    $64.99 Regular Price $58.49 Special Price
    33-3079
    K&N
  3. 2021 BMW X4 M40d 3.0L L6 Diesel air filter
    $64.99 Regular Price $58.49 Special Price
    33-3079
    K&N
  4. 2020 BMW X4 M40d 3.0L L6 Diesel air filter
    $64.99 Regular Price $58.49 Special Price
    33-3079
    K&N
  5. 2019 BMW X4 M40d 3.0L L6 Diesel air filter
    $64.99 Regular Price $58.49 Special Price
    33-3079
    K&N
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