BMW 320si Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any BMW 320si air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for BMW 320si Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your BMW 320si run better. Fast and FREE SHIPPING with any BMW 320si air filter

  1. 2008 BMW 320si 2.0L L4 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    E-2021
    K&N
  2. 2007 BMW 320si 2.0L L4 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    E-2021
    K&N
  3. 2006 BMW 320si 2.0L L4 Gas air filter
    $64.99 Regular Price $51.99 Special Price
    E-2021
    K&N
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