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you won't void the warranty doing the Hondata, just flash it back to stock when it goes in for service. Then when it gets back upload the tuner again. I'm buying mine soon.
My understanding is that these ECU’s have a counter reflecting the number of times they were reflashed. Why would that not raise questions? Dealer reflashes might happen for warranty work, but that would be recorded on the maintenance history at the dealer. VW will deny warranty for this reason.
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