You can create a new version of a named BOM by checking the named BOM out, editing it, and checking it in.
To check in or check out a named BOM, you can do either:
-
On the Bill of Materials tab, select a named BOM and click Check In
or Check Out 
.
- In the Commands section, select Switch to BOM View
, right-click a named BOM document, and select Check In (or Check Out).
In the Enterprise PDM menu bar, you can also click or to manage revisions of selected named BOMs.