Description

Features
Up to 15% f-uel savings, it help you save f-uel.
As you driving much more KM/Mile, it will renew the map and adjusts to match your car perfectly for more f-uel saving.
This item does not damage the engine and the car ECU or any other negative effects to the car setting.
It does not change any of the settings permanently. if you want to turn back to the car's settings, just pull the item out of OBDⅡ connector.
Easy to installation, plug & play.