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The K&N drop-in air filter for 2009–2010 BMW Z4 2.5/3.0L inline-six is a washable, reusable high-flow replacement that improves airflow while trapping contaminants. It installs directly into the factory air box for a straightforward upgrade. Backed by K&N's No-Hassle Lifetime Limited Warranty, this filter is built for long-term use and helps reduce disposable filter waste.
K&N 09-10 BMW Z4 2.5/3.0L-L6 Drop In Air Filter
