American English, British English, German, Spanish, French, Italian, Polish, Portuguese, Turkish, Czech, Swedish, Dutch, Indian, Greek, Russian, Japanese, Korean, Thai, Simplified Chinese and Traditional Chinese
How to Switch Language (French as an example)?
Open “Language install” file.
Run “delete all language pack.cmd”.
Select “install French”
Extract file into “C:\EC-APPS\ISTA\SQLiteDBs”.
Then open “BMW语言修复.reg”. (Meaning: BMW Language Repair.reg)
Open “BMWGroup ISTA”.
Switch to Admin page, and select “Francais (fr-FR)”
Reboot ISTA-D, language switch done!