In the forum, articles about gearoil changes appear again and again.

My question in the workshop was answered by saying that it is not necessary for me to:
Because I'm supposed to have a long-term oil. --- Can I believe that ???

My A8 is Bj98 and has about 210Tsd, engine/getr AKG/DTD
2. Could my motor rucksack be related to this??
3. which SSP No is for the engine/gear?
For answers thank you in advance :

Many dear Audi greetings Hans-Jürgen P.

Also
daher muss ich lachen über diese "lebenszeitfüllung" !!!!