Thread: ESS software tune ECU loading question regarding my stock file.
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      10-28-2011, 04:22 PM   #2
Mavrick151
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Drives: 2020 M2C
Join Date: Mar 2009
Location: OC CA --> Dallas, TX

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Just try it. If it fails for whatever reason go into recovery mode and restore back to the stock file. How has your car never been updated?
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