English: Bee Em Double You.
Australian English: Beamer.
Greek: well, Greek only referenced English as its default foreign language in the last generation. So it’s the German pronunciation: Beh Em Veh. (Μπε εμ βε)
Cypriot Greek: from memory, Pemve (Πεμβέ) —/b/ is rendered in Cypriot Greek as /p/, since Cypriot Greek has a three way contrast of /ᵐb p pʰ/.