Hello Gilo27,
I suggest you contact your Audi dealer and ask them if a map update for a 2018 MKII Q5/SQ5 will work for a 2014 MKI Q5/SQ5.
That's all I can advise - I really don't know the answer.
Your local Audi dealer should be an expert in this area.
Good luck.
Regards,
Richard