Everyone's quite correct - the new ECUs in the latest-build cars have more advanced encryption on them so it's proving very difficult to remap the ECUs. You can install piggy-back modules instead, but that's not technically a remap.. As far as I know, Birds/Hartge UK are the only company who can get through the encryption, as they have links to a programming team in Germany who have the direct access to the ECU software...
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