Renault Clio diesel ECU Tuning & ECU Remapping from Superchips Bluefin. Bring the performance of your Renault Clio alive with 30% more horsepower & 30% more torque. Bluefin is our product that is used to deliver our ECU tunes, all of which have been developed meticulously in-house in a controlled environment monitoring all parameters. Superchips has its own 4x4 Dynometer for testing. Many hours are also spent on the road testing reliability and driveability. Find your vehicle below.