Check the ignition switch and have it scanned for LKM fault codes. The light problems sound just like what we had and it took the $tealer three attempts to find the problem codes for the LKM in the dash memory!
So much for factory trained.

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2021 X5 xDrive40i
2015 X5 xDrive35i MSport
(Traded) 2013 X5 xDrive35i