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The K&N drop-in High-Flow air filter for BMW 318/325/525/528/750 (1986–1996) is a washable, reusable replacement designed to improve airflow and engine protection while offering an increase in horsepower. It installs into the factory airbox as a direct-fit component and is covered by K&N’s No-Hassle Lifetime Limited Warranty, delivering long service life and reduced disposable filter waste compared with single-use filters.
K&N 86-96 BMW 318/325/525/528/750 Drop In Air Filter
