How often do I need to clean my K&N air filter?Clean your K&N High-Flow Air Filter with a K&N cleaning kit every 50,000 miles for optimal performance, ensuring consistent airflow.What is the installation process like?Installation is a straightforward bolt-on process typically completed in under 90 minutes, designed for seamless integration.The K&N 57 FIPK Air Intake 50 guarantees a horsepower and torque increase, achieving a top score of 9 for engine performance. Its high-density polyethylene tube and oversized, conical design ensure superior airflow. Experience a noticeable surge in power and a premium feel for your BMW 330Ci/330i/330xi.Key Featureshigh-density polyethylene (HDPE) rotationally-molded tubeguaranteed increase in horsepower and torquewashable, reusable High-Flow Air Filter featuring oiled cotton filter mediaoversized, conical designcustom heat shield helps protect intake air from the high temperature of your engine bayinstallation in less than 90 minutesWhy Choose the KN 57 FIPK Air Intake 50Delivers a smoother, more responsive throttle for exhilarating acceleration.Achieves a noticeable surge in power and torque for confident overtaking.Provides a cleaner, cooler air charge for optimal engine efficiency.Transforms your engine’s sound into a more aggressive, performance-oriented growl.Who Is This For?Street Performance 8/10Guaranteed horsepower and torque increase for street.Track / Autocross 7/10Performance gains beneficial for track use.Drag Racing 7/10Horsepower and torque increase aids acceleration.Engine Performance 9/10Directly enhances horsepower and torque.Easy DIY Install 8/10Bolt-on installation under 90 minutes.Visual / Aesthetic Upgrade 6/10Oversized conical filter and custom heat shield.Frequently Asked QuestionsDoes the K&N 57 FIPK Air Intake 50 fit my BMW 330Ci/330i/330xi?Confirm fitment with your specific vehicle for guaranteed compatibility with the K&N 57 FIPK Air Intake 50. This bolt-on system is engineered for a precise match, ensuring optimal performance when installed on the correct application.How difficult is the K&N 57 FIPK Air Intake 50 to install?Installation of the K&N 57 FIPK Air Intake 50 is a straightforward bolt-on process, typically completed in under 90 minutes. This ease of installation is rated an 8 out of 10 for DIY projects, allowing for a quick performance upgrade.What performance gains can I expect from the K&N 57 FIPK Air Intake 50?Expect a guaranteed increase in horsepower and torque, enhancing your engine’s performance with a score of 9 out of 10 for Engine Performance. This direct enhancement delivers noticeable gains for exhilarating acceleration and confident driving.What is the maintenance required for the K&N 57 FIPK Air Intake 50’s air filter?The washable, reusable High-Flow Air Filter in the K&N 57 FIPK Air Intake 50 requires simple periodic cleaning with a K&N cleaning kit. This easy maintenance ensures the filter media remains optimally oiled for sustained high performance and longevity.Additional ResourcesOfficial K&N Engineering Product PageInstallation Guide (PDF)Important Notices Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.{“@graph”:[{“mpn”:”57-1001″,”sku”:”KNN57-1001″,”name”:”KN 57 FIPK Air Intake 50″,”@type”:”Product”,”brand”:{“url”:”https://www.knfilters.com”,”name”:”K&N Engineering”,”@type”:”Brand”,”sameAs”:”https://en.wikipedia.org/wiki/K&N_Engineering”},”offers”:{“@type”:”Offer”,”price”:”367.99″,”seller”:{“url”:”https://www.motorsportmayhem.com”,”name”:”Motorsport Mayhem”,”@type”:”Organization”},”availability”:”https://schema.org/InStock”,”itemCondition”:”https://schema.org/NewCondition”,”priceCurrency”:”USD”,”priceValidUntil”:”2027-05-25″},”category”:”Cold Air Intakes”,”description”:”Delivers a smoother, more responsive throttle for exhilarating acceleration. Achieves a noticeable surge in power and torque for confident overtaking. Guaranteed increase in horsepower and torque”,”isRelatedTo”:{“name”:”Cold Air Intakes”,”@type”:”Thing”},”alternateName”:”K&N 57 FIPK Air Intake 50 Horsepower & Torque”,”additionalProperty”:[{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”high-density polyethylene (HDPE) rotationally-molded tube”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”guaranteed increase in horsepower and torque”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”washable, reusable High-Flow Air Filter featuring oiled cotton filter media”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”oversized, conical design”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”custom heat shield helps protect intake air from the high temperature of your engine bay”},{“name”:”Feature”,”@type”:”PropertyValue”,”value”:”installation in less than 90 minutes”},{“name”:”Street Performance Rating”,”@type”:”PropertyVal