Enhance your BMW 520i/528i N20 engine performance with the K&N 11-17 BMW 520i air intake. Designed to boost horsepower and torque, this system improves airflow while delivering reliable performance for enthusiasts and everyday drivers alike.

• HDPE rotationally molded tube increases overall airflow.
• Washable, reusable high-flow air filter with oiled cotton media.
• Oversized conical design extends filter service intervals up to 100,000 miles.
• Custom heat shield protects intake air from high engine bay temperatures.
• Quick and simple installation in less than 60 minutes.

Enhanced Engine Performance

Experience noticeable gains in horsepower and torque with a performance air intake designed for the BMW 520i. Enjoy the benefits of improved engine breathing, knowing that quality craftsmanship meets real-world performance. Some systems may include warranty options under certain conditions.

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Please note, some intake systems may not be legal for sale or use on pollution-controlled vehicles in California. Review CARB specifications for your specific vehicle before installation.

Discover more performance upgrades in our Air Intake Systems collection and shop K&N air intake systems online with the confidence that comes from over 35 years of expertise in vehicle performance enhancement.