BMW 420i Performance Cold Air Intakes

Buy now from the K&N Store and get a 100% Money Back Guarantee on any cold air intake system!

  • Designed to increase power and torque
  • K&N Million Mile Limited Warranty┬«
  • Replaces restrictive factory air intake system
  • Easy to install performance, usually in 90 minutes or less

Add more horsepower to your BMW 420i with a K&N cold air intake system. K&N BMW 420i cold air intakes are easy to install and add power & acceleration while protecting the vehicle's engine.

  1. 2015 BMW 420i 2.0L L4 Gas air intake
    $399.99 Regular Price $349.99 Special Price
    57S-2001
    K&N
  2. 2014 BMW 420i 2.0L L4 Gas air intake
    $399.99 Regular Price $349.99 Special Price
    57S-2001
    K&N
  3. 2013 BMW 420i 2.0L L4 Gas air intake
    $399.99 Regular Price $349.99 Special Price
    57S-2001
    K&N
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