K&N Performance Air Intake System (57-2590) BMW 3 series E30 Expect a more eager initial

Expect a more eager initial bite

Installation typically requires above average DIY skills

We estimate that it will take around 4 hours to complete installation of this product

Made from the highest quality Aircraft quality T6061 billet aluminium construction

K&N Performance Air Intake System (57-2590) BMW 3 series E30 Expect a more eager initial57 series OEM air box intake systems include a washable, reusable High Flow Air Filter paired with a CAD designed high airflow intake tube, and is designed to be a simple, cost effective performance upgrade. The included oiled cotton filter is a direct replacement for your factory filter, drops easily into the factory air box, can go up to 100,000 miles between filter services under normal highway driving conditions, and offers K&N's industry leading