A perfect example of why this forum is fantastic, and such a vital source of information and experience for us A8 owners
I could sense your despair mannyo after the disappointing visit to the unnamed establishment, you'd been looking forward to them being able to resolve your ECU "issues", and it appeared they'd failed miserably.
Share your findings on here, along comes IT armed with his extensive knowledge and experience...a short while (and no more expense) later all is good in the world again
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Audi D3 S8 - 2007 - V10. B&O, Phantom Black, black and silver interior, and still completely standard with everything working as it should
Audi TT - 2015 - Ultra