E39 CCV catch can is set up like this image. Recently it started blowing a quart of oil only if it is driven. My last guess, after replacing every gasket and ccv
CCV Baffle/Internal Catch Can for 2011-2020 6.7L Powerstroke – Smeding Diesel LLC
Radium Engineering Fluid Lock CCV Catch Can Kit for the GR Corolla 2023+
Técnica - Consumo aceite M54B22. ¿El Oil catch can funciona?. | BMW FAQ Club