I was able to flash back to xDrive using a device from iOS 12, so may be an issue with the latest iOS 13.1.3 (or it's just my device/cable).
Reverted back, because I kept losing traction/power when hitting bumps on Philly city roads, and didn't feel that confident in taking higher speed turns in the rain.
Assuming that it flashes back to the original xDrive map, but not sure.
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