The Mishimoto 2015-2020 BMW F80 M3/M4 Intercooler SMB is an upgraded, high-performance intercooler designed to maximize cooling efficiency in the BMW F80 M3/M4. This intercooler features a bar-and-plate core design with a stepped core design to provide greater cooling efficiency while also increasing air volume. The Mishimoto 2015-2020 BMW F80 M3/M4 Intercooler SMB also includes a unique cast aluminum end tank design to provide improved airflow and durability. This intercooler is perfect for those looking to increase cooling efficiency and performance on their BMW F80 M3/M4.