Quote:
Originally Posted by Zap
We've got this problem on our recently purchased '17 340i xDrive, built in May of '17. With this talk of needing a PUMA case, I take it there isn't a SIB mentioning this issue (yet?)?
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Is a SIB like a TSB? I don't know if there is, but I know the chain of events for what caused this issue for me was: I reported 'drivetrain malfunction'/CEL (when picking up my car from an oil change, and the malfunction/CEL was not there when I dropped it off..).
They reported the diagnostic results to corporate, corporate said it would be fixed by an update. They applied the update. Malfunction/CEL was gone, but so was rev matching more than 1 gear.
So, without a specific TSB/etc listing 'for this complaint, apply this fix', they certainly would escalate to corporate.