The Mishimoto 2015-2020 BMW F80 M3/M4 Intercooler FDB is an upgraded intercooler designed to provide improved cooling efficiency and increased power output in your BMW F80 M3 or M4. This intercooler features a bar-and-plate core design, which is larger than the stock intercooler, for maximum cooling efficiency. It also features a cast aluminum end tanks, which are designed to provide improved airflow and increased durability. Additionally, the Mishimoto Intercooler FDB is a direct fit, meaning no cutting or modifications are required for installation.