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K&N Air Intake Systems for the BMW 520i

BMW 520i Performance Air Intake Systems

If you are looking to improve performance, K&N BMW 520i air intakes are easy to install and come with a million mile limited warranty.
  • Designed to increase horsepower and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance
Buy now from the K&N Store and get a 100% money back guarantee and free shipping on any air intake!

Add horsepower to your BMW 520i with a K&N air intakes.
K&N Air Intake Systems
Vehicle DescriptionPart Number Product Image
2003 BMW 520i 2.0L L6 F/I - All
Automotive
2003 BMW 520i 2.0L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
2003 BMW 520i 2.2L L6 F/I - All
Automotive
2003 BMW 520i 2.2L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
2002 BMW 520i 2.0L L6 F/I - All
Automotive
2002 BMW 520i 2.0L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
2002 BMW 520i 2.2L L6 F/I - All
Automotive
2002 BMW 520i 2.2L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
2001 BMW 520i 2.0L L6 F/I - All
Automotive
2001 BMW 520i 2.0L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
2001 BMW 520i 2.2L L6 F/I - All
Automotive
2001 BMW 520i 2.2L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
2000 BMW 520i 2.0L L6 F/I - All
Automotive
2000 BMW 520i 2.0L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
2000 BMW 520i 2.2L L6 F/I - All
Automotive
2000 BMW 520i 2.2L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
1999 BMW 520i 2.0L L6 F/I - All
Automotive
1999 BMW 520i 2.0L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake
1998 BMW 520i 2.0L L6 F/I - All
Automotive
1998 BMW 520i 2.0L Air Intake
57-0439 Product Info 57-0439 520i 57i Kit Air Intake