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BMW 420i Air Filter

BMW 420i Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any BMW air filter!
  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for BMW 420i Models
  • K&N Million Mile Limited Warranty®
Order your K&N replacement air filter Factory Direct today!
Help your BMW 420i run better.
  • Fast and FREE SHIPPING with any BMW 420i air filter
K&N BMW 420i Air Filter
Vehicle DescriptionPart NumberProduct Image 
2018 BMW 420i 2.0L L4 Fuel Injection - All Models
Automotive
2018 BMW 420i 2.0L Air Filter
33-3051 33-3051 BMW 420i Air Filter
List Price: $89.89
Factory Direct Price: $57.99
2017 BMW 420i 2.0L L4 Fuel Injection - All Models
Automotive
2017 BMW 420i 2.0L Air Filter
33-3051 33-3051 BMW 420i Air Filter
List Price: $89.89
Factory Direct Price: $57.99
2016 BMW 420i 2.0L L4 Fuel Injection - All Models
Automotive
2016 BMW 420i 2.0L Air Filter
33-3051 33-3051 BMW 420i Air Filter
List Price: $89.89
Factory Direct Price: $57.99
2015 BMW 420i 2.0L L4 Fuel Injection - All Models
Automotive
2015 BMW 420i 2.0L Air Filter
33-2990 33-2990 BMW 420i Air Filter
List Price: $78.29
Factory Direct Price: $49.99
2014 BMW 420i 2.0L L4 Fuel Injection - All Models
Automotive
2014 BMW 420i 2.0L Air Filter
33-2990 33-2990 BMW 420i Air Filter
List Price: $78.29
Factory Direct Price: $49.99
2013 BMW 420i 2.0L L4 Fuel Injection - All Models
Automotive
2013 BMW 420i 2.0L Air Filter
33-2990 33-2990 BMW 420i Air Filter
List Price: $78.29
Factory Direct Price: $49.99

Use K&N's application search to find the right air filter for your BMW. Upgrade your BMW 420i today with a K&N air filter. K&N automotive replacement air filters are a top performance accessory that can help your car or truck run better.