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Originally Posted by cpiguy
My RTTI is gone as well. What I can't tell you is if it was working the week before the car went in for the upgrade. Maybe this is a coincidence. What blows my mind is that the dealer has no idea and claims that no one at BMW know either. Go figure!
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There are documented SIBs that your dealer can get about all software upgrade 25.01-25.04 and they are all available now. They just don't want to do their homework.