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I recently flashed back to stock to take my car in for service. Whilst there I asked for a software update to be done, and I now have the latest iSTEP (i think).
Would this have also updated my ECU map? I only ask because recently we got the GTS startup roar on BM3, but I swear my car now (without having reflashed BM3) revs higher on startup than the GTS roar.
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