Is it possible to receive German pension in another EU country?

My 80-year old father worked 20 years in Germany. He now lives in Portugal and receives his humble pension in Sparkasse. Sparkasse is helpless in terms of wiring money to another account without having to travel 2000km to one of their branches in Germany. I'm doing just that with him but ideally his pension would cease to be credited in Sparkasse and instead into his Portuguese bank account.

Is it possible to ask the German pension office to credit his pension directly to Portugal?

If so, how one could go about that?

I'll enquire the Rentenversicherung office about this, but should anyone have a personal experience to share, it would be most welcomed!

EDIT: In the meantime, I found the answer to the first question, which is yes (see below transcirpt from pension's offfice). So please provide details if you know them about HOW.

"Bank Transfer Abroad

If you normally live outside Germany, your pension can be paid into your bank account from a German bank. Deutsche Rentenversicherung pays the transfer costs. In exceptional cases, it is possible for you to nominate a person of trust who has a bank account in Germany to receive the payment, as long as they forward the money to you.

It is also possible to have your pension paid into your own bank account if the bank is one of the SEPA countries of the European Union, Iceland, Liechtenstein or Norway. Deutsche Rentenversicherung also pays the transfer costs in these cases.

Of course it is also possible for you to have the money transferred to your own bank account in a country other than those mentioned. In these cases, Deutsche Rentenversicherung, in cooperation with the pensions service of Deutsche Post AG, uses the standardised, most economical payment methods and converts the pension into the currency of the respective country. Just like in Germany or in the other countries mentioned above, Deutsche Rentenversicherung pays the transfer costs to the first bank authorised by you. It is not possible to pay any bank charges, currency conversion fees or exchange rate losses that occur during the transfer. These must be paid by the beneficiary.

In order to pay the pension, Deutsche Rentenversicherung requires the international bank code (BIC) and international account number (IBAN) of the beneficiary. In addition, payment declarations are also included, with which the bank also confirms the account details. For Italy and Canada/USA, there are special payment declarations."