2008 Citroen c4 Exclusive - BSM Engine Bay Fuse box sourcing

[Aussie10]

Hello
I am in Australia with a 2008 Citroen c4 Exclusive- BSM showing high resistance after air/heat con stop blowing air, blower motor fine, resistor fine. After scanning picture attached shows high resistance. Replace BSM is the advice. I cannot find one in Australia anywhere, used. Does anyone know if the part numbers may of changed, the part numbers I have are BSM-L11-00 9661682980. Thank you for any help in advance.