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The K&N High-Flow drop-in replacement filters for the 2018–2019 BMW M5 V8 4.4L turbo are sold two per box and feature layered, oiled cotton media designed to improve airflow while capturing contaminants. These washable, reusable filters install directly into the factory airbox and are intended to increase airflow over stock while offering long service life; they are covered by K&N's No-Hassle Lifetime Limited Warranty.
K&N 18-19 BMW M5 V8 4.4L F/I Turbo Replacement Air Filter (Two Per Box)
