Well heres the brisk reply from the gearbox manufacturer...
Good afternoon Dean,
Many thanks for your email.
I can tell you that even though these gearboxes are described as sealed for life we do still recommend that you carry out oil changes at service intervals.
In order to be able to...
I do have a question..
I went to book it into Audi leicester for cam belt and water pump, and also to get the tiptronic gearbox oil changed..
They checked my vin on there computer and said its cam chain and doesn't have a belt to change, and gearbox is a sealed unit and doesnt need doing...
Its not a loaded version so less things to go wrong! Id have to say going from a 370bhp manual s3 to this is very different. Maybe not as quick, but such effortless driving and still ludicrously fast in the real world. I think ill grow to love it. As long as nothing goes wrong!