Oh wow. Sorry to hear that. I unfortunately don't know where you could get the information to write into the new eeprom. But, I am sure it is possible.
So unfortunately, I think you'd need to take it to the dealer. The good news though is that you've done all the time consuming work, so they should not charge you a whole lot to code it. Please let us know how you get on.
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2001 BMW X5 3.0i, Automatic, Gasoline
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