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From a technicians standpoint, what happens during an iLevel update on a DME? I thought I remember reading somewhere on here freshxdough was a BMW tech. I apologize in advance if I'm wrong and put you on the spot.
When the iLevel update happens, is the entire DME wiped first and then the software installed? Is the new software written over the existing? Help me understand some of the process, if possible, as I'd like to have a case in the event BMW flat out won't cover their software bricking my car.
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