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The K&N drop-in High-Flow air filter for 2014–2017 BMW X4 2.0L diesel models is a washable, reusable replacement filter built to fit the factory airbox. It uses layered, oiled cotton media engineered to improve airflow while capturing contaminants and is designed to be reusable for the life of the vehicle. K&N backs these filters with a No-Hassle Lifetime Limited Warranty and highlights reduced disposable-waste benefits.
K&N 2014 BMW X4 L4-2.0L DSL Drop In Air Filter
