Dunno if you have been watching over in the RSTuning section but they have a RenaultSport Megane 4 trophy EDC ( phew ! ) in as their development car at the moment. See here : Renaultsport Megane 300 Trophy EDC development mapping going well! Here's a before and after on a...
Some great gains from just a cheeky safe map.
I quote

Just look at that! Look at the torque.
This car is really starting to make sense now. I bet it will really fly with a few decent mods on it.
Really starting to want one of these.
Some great gains from just a cheeky safe map.
I quote
Renaultsport Megane 300 Trophy EDC development mapping going well! Here's a before and after on a 100% standard car with GPF still in place! This is quite a basic tune at the moment with no changes to either VVT maps and a safe timing map!

Just look at that! Look at the torque.
This car is really starting to make sense now. I bet it will really fly with a few decent mods on it.
Really starting to want one of these.