The Mishimoto 15-20 BMW F8X M3/M4 Baffled Oil Catch Can is designed to prevent oil from entering the intake manifold on your BMW F8X M3/M4. This catch can is constructed of lightweight aluminum and features a two-piece design for easy installation. The can is equipped with a removable baffle plate to ensure maximum efficiency and comes in a Frozen Dark Gray finish for a sleek, stylish look. The catch can includes all necessary mounting hardware and hoses for a complete installation.