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Hi Guys,
I'm struggling the same issue...
I've chnaged my wastegates and it was okay for some time.
But I don't know why... One day I said okay maybe let's go and update my ecu... After this I have ruttling back... Is it possible that someone will share with me Sp-daten v29.0, that I could downgrade it?
I don't have ISTA so probably I cannot convers back the vacuum settings?
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