We use xPLM solution to integrate EPDM and SAP but maybe i help you about BOM
1. Choose "Show selected" as in the screen shot select.png
2. then save your BOM and now you can insert row numbers (with this button in the middle - also on screen shot select.png)
and on number.png picture you can see how its look
Thanks Mr. daniel for your reply on this topic.
it means if anyone wants to use the connectivity between EPDM and SAP then they have to us the third party software
is it rights sir or we can do this by ourself.also