1MIO....:
I have had some problems with Citibank in Recoleta....even with a US Citi Bank ATM card. Never with Banco Nation.
You may open an account in Argentina and wire transfer the funds.
My German bank charges
Max: E 12.50 + E 5.00 Swift + E 2.50 Conv. = E 20.00 for wires up to 12,500 E.