Community Tip - Visit the PTCooler (the community lounge) to get to know your fellow community members and check out some of Dale's Friday Humor posts! X
when you move (Drag and Drop) you are reusing the Design part in downstream so it will move the whole and this is expected.
To achieve your request , you have to copy from EBOM and paste under MBOM as new Branch with 'Do Not Duplicate' :
