The Mishimoto BMW E46 M3 Oil Cooler Kit is designed to provide superior cooling efficiency to your BMW M3. This kit includes a lightweight aluminum oil cooler that is designed to maximize cooling efficiency, while also providing a sleek and stylish look to your engine bay. The kit also comes with pre-assembled hoses, fittings, and mounting hardware for easy installation. The Mishimoto BMW E46 M3 Oil Cooler Kit is the perfect solution for those looking to increase the longevity of their engine and reduce oil temperatures.