K&N Performance Air Intake System (57-2590) BMW 3 series E30 Replaces OEM part Number CJ5G-9U465-BA

Replaces OEM part Number CJ5G-9U465-BA

1mm bore and 4 x 98mm PCD stud bolt pattern

Made from the highest quality Aircraft quality T6061 billet aluminium construction

Installation typically requires above average DIY skills

FMOC13 is made to the uppermost standard and is backed up by the Forge Motorsport lifetime warranty

K&N Performance Air Intake System (57-2590) BMW 3 series E30 Replaces OEM part Number CJ5G-9U465-BA57 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