Correct, the throttle issues were not posted here--they are the result of trying to get a tune right. I'm working on that with my tuner.
That's an exhaustively long saga that I'm not interested in going into now. It's not related to the sudden onset throttle body issue--you'll have to trust me on that one.
The throttle body is brand new.
You can find the complete description of the code in question here:
https://www.dtcdecode.com/BMW/P1635
I have a laptop with both softwares installed--neither of them are functional right now.
Edit: throttle adaptations reset performed by method 1 here:
https://www.e46fanatics.com/threads/...tions.1125131/