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K&N Air Filters for the BMW 420i

BMW 420i Replacement Air Filters

These K&N air filters are designed to increase horsepower and acceleration in your BMW 420i while offering excellent filtration and engine protection.
  • Designed to Increase Horsepower in the BMW 420i
  • High Air Flow with Excellent Filtration
  • K&N Million Mile Limited Warranty®
  • Lasts up to 50,000 Miles Before Cleaning is Required Depending on Driving Conditions
K&N replacement air filters are washable, reusable and built to last the life of your BMW 420i.
K&N Automotive Replacement Air Filters
Vehicle DescriptionPart NumberProduct Image 
2017 BMW 420i 2.0L L4 F/I - All
Automotive
2017 BMW 420i 2.0L Air Filter
33-3051 33-3051 BMW 420i Air Filter
List Price: $88.79
Your Price: $56.99
2016 BMW 420i 2.0L L4 F/I - All
Automotive
2016 BMW 420i 2.0L Air Filter
33-3051 33-3051 BMW 420i Air Filter
List Price: $88.79
Your Price: $56.99
2015 BMW 420i 2.0L L4 F/I - All
Automotive
2015 BMW 420i 2.0L Air Filter
33-2990 33-2990 BMW 420i Air Filter
List Price: $77.29
Your Price: $49.99
2014 BMW 420i 2.0L L4 F/I - All
Automotive
2014 BMW 420i 2.0L Air Filter
33-2990 33-2990 BMW 420i Air Filter
List Price: $77.29
Your Price: $49.99
2013 BMW 420i 2.0L L4 F/I - All
Automotive
2013 BMW 420i 2.0L Air Filter
33-2990 33-2990 BMW 420i Air Filter
List Price: $77.29
Your Price: $49.99

Buy a K&N air filter today and help your BMW 420i run better.