311 is definitely to old, some had even problems with 409. I would recomend to use 504 which is a free upgrade if you have a Ross Tech cable.
Where can I find an original Ross Tech cable used with softw. 504?AudiA4B6US said:311 is definitely to old, some had even problems with 409. I would recomend to use 504 which is a free upgrade if you have a Ross Tech cable.