Get a second opinion. IF the car does run, have it towed to a BMW dealer and see what they say. Even IF you have to pay a few hundred for a proper diagnosis - it could save you big time over buying a new DME which you probably don't need. I bet all that's needed is a simple DME reflash. Your indi shop just threw their hands up and said its the DME. Nope, I am not buying that diagnosis.
The only time a DME gets "fried" is when someone welds on the car without disconnecting the battery ground... or IF someone jumps started the battery and hooks the battery terminals up reversed.
good luck,
Dackel
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