BW Material Hierarchy to BPC

Hi experts,

I face that case, does someone has already met that kind of problem ?

What should be you're advices to make it ?

The case :

BPC:

I've dimension called MATERIAL, loaded by the 0MATERIAL IO

BW :

My IO 0MATERIAL, have a standart BW hierarchy (XXX) based on 4 external characteristics, represented by 4 attributes of 0MATERIAL

Those external characteristics are dependant of the IO 0PROD_HIER.

On the 0PROD_HIER IO, i've a Hierarchy (YYY) -> and I need to load that hierachy to my BPC dimension MATERIAL

What should be your advice to make ?

We think about a BADI. But, as it is quite complex, do you have any other idea to suggest ?

Tks a lot,

Olivia.