33-3025 is a 33-series original position flat-panel high-performance air filter. It is specially designed for 2014-2024 models of BMW X1, X2, 228i, 2014-2017 models of MINI Cooper (with 1.5L L3 engine), etc. It can directly fit into the original air filter box without any additional modifications. It is suitable for urban commuting, high-speed driving and household use, and is compatible with the original ECU and emission system.