Fixing a BOM in the WBS BOM Browser 
Use
You fi
x a material BOM if you want to make project-specific changes to the BOM.Features
If you fix a BOM, the system creates a project-specific copy of the material BOM, which means it generates a WBS BOM from a material BOM.
You can fix a single or multi-level BOM. If you fix a BOM single level the system creates exactly one WBS BOM.
If you fix a BOM multi-level, the system also generates project-specific copies for all subordinated material BOMs (TopDown). The
BOM, with which you carry out the multi-level fixing, must be a material BOM. The system creates WBS BOMs for all material BOMs in the subtree. If a subordinate assembly already has a WBS BOM, the system does not change this. If, however, material BOMs can still be found below such a WBS BOM, these are fixed accordingly.Activities
In the context menu of the BOM header, select the command Fix BOM – single-level or Fix BOM – multi-level.