Reflashing via OBD
If you want to remap your 208, it is possible via OBD!
FlasherTHP v2 supports flashing your Peugeot 208 with our performance software, using a USB cable and a laptop computer with Windows XP/Vista/7/8.
Using our FlasherTHP software you can have multiple remaps available depending on the performance mode you want from your car and the fuel quality you will be using.

How to do it
By using a Windows based laptop and a USB-OBD interface.
This is exactly what the process looks like!