BOM question

Hi All,

We have a BOM for a semifinished product say S, in which there are four components sayA(qty10),B(qty 2),C(qty4),D(qty6), in which D is phantom. Now D also has two components say A(qty5) and E(qty1).

Now we can see that component A is BOM S and also in D.

So, i want to know can we remove component from A from BOM D and include component A in BOM S with qty15. If we do this what will be effect.

Please let me know.

Regards,

D.Dutta