Here's an update. Dropped my M4 off at the dealer this morning for the break-in service and my SA just called to say it's ready, but it doesn't show anywhere that the diff was replaced. So I called my contact at BMW ED and she says it shows that it was replaced.
Edit:
Just got an email from my SA. BMW ED confirms that it has NOT been repaired. I am lost for words right now.
Last edited by 'Cane; 09-19-2016 at 02:58 PM..
Reason: BMW ED is crazy.
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