Mishimoto baffled oil catch can kit for 2015–2020 BMW M3/M4 uses a compact two-port baffled can with a 50-micron bronze filter and internal baffle to separate oil from crankcase vapors. The kit includes direct-fit hoses and a billet mounting bracket for easy installation, defends the intercooler, intake and VANOS systems from oil blow-by, and ships with Mishimoto's stated lifetime warranty and color-matched bracket options.
Mishimoto 15-20 BMW F8X M3/M4 Baffled Oil Catch Can - Alpine White