Quote:
Originally Posted by ShadeD1
I'm having the same issue reading the ECU. I've tried it 3 times (in case I had done something wrong or misread the manual) and it only takes 10 min or so to read the ecu and the file size is too small. The dealer updated my ecu last year with the latest software from BMW so I assumed it would be tuner locked. I sent it in as directed and will let you know when I hear back. Also, I did not try loading it back on the car (glad that one worked out for the OP)
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Thank god you didn't try loading it back on or you would have been in my shoes hahaha