[lolohUY]

Originally Posted by No one

Well, my search suggests it's a ZF, finding https://en.wikipedia.org/wiki/ZF_8HP_transmission in particular. But no, I can't find the whole product code associated with ZF "literally" to give you a proof. Ask an official service, perhaps.

I am inclined to believe (and hope!) it is the mighty ZF!
Thanks for your help and will definitely ask the official service here although I doubt they know much.