Had the OBD fuse pop when the plug was used as a memory saver during a battery change. The little fuse in the OBD could not handle the current draw of the modules. Fuses can break with age, Had that happen in another vehicle. Weird set of circumstances created by that one blown fuse. I had images of a four figure bill with all that did not work or would not stop working.

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