just need more answer
1. If I do upgrade ECU for N/A now, do I have to re-upgrade after getting TT?
and then I just put EMS which comes with TT in her?
2. do the upgrade ECU after getting TT, then put the EMS in.
3. could you give me some sites about ECU (not EMS)?
thank you.

1. If I do upgrade ECU for N/A now, do I have to re-upgrade after getting TT?
and then I just put EMS which comes with TT in her?
2. do the upgrade ECU after getting TT, then put the EMS in.
3. could you give me some sites about ECU (not EMS)?
thank you.