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The K&N 57i Series performance induction kit for select BMW 118i, 120i, 318i and 320i applications replaces the restrictive factory airbox with a large washable, reusable K&N air filter and vehicle-specific adapters to increase airflow across the RPM range. It extends service intervals up to 100,000 miles between cleanings, carries K&N’s lifetime limited warranty, and is not legal for use in California emissions-controlled states.
K&N 04-10 BMW 118I/120I / 07-08 320SI / 05-10 318I/320I L4-2.0L Performance Intake Kit
