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Additional question. I can have my car performance tuned (not by adding HW or chip, just adapting the internal config) and get an additional 50hp doing so. My fear is to loose it with a sw upgrade at the dealer.
Some questions:
1. If tuned that way, I should be able to back up the tuning correct?
2. What do I have to back up?
3. Can I put that config then back to normal or back with the tune to avoid problems at the dealer or with SW upgrades?
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