BMW 420d Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any BMW 420d air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for BMW 420d Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your BMW 420d run better. Fast and FREE SHIPPING with any BMW 420d air filter

  1. K&N
  2. K&N
  3. K&N
  4. 2021 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
  5. K&N
  6. 2020 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
  7. 2019 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
  8. 2018 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
  9. 2017 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
  10. 2016 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
  11. 2015 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
  12. 2014 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
  13. 2013 BMW 420d 2.0L L4 Diesel air filter
    $64.99 Regular Price $51.99 Special Price
    33-2990
    K&N
Search By Vehicle
Find Parts for your vehicle
*
Search By Dimension
The item you added to cart DOES NOT FIT your
This item fits your

The item(s) below fits your vehicle