TDI-Tuning develops, produces and distributes performance enhancements for cars, trucks, marine and other significant sectors. TDI-Tuning is located in Chelmsford, in the United Kingdom, and has been developing ECU performance modules for over 10 years. Our tuning boxes release up to 40% extra horsepower and torque, and the CRTD4 module also increases fuel economy by up to 20% typically delivering you extra range per 100km. All individual ECU modules are created on TDI-Tunings certified dyno, tailored to each engine code on the market. Potential Gains: 183kW - 226kW 550Nm - 627Nm Ineos' Grenadier is a modern take on the iconic Defender. Paired with silky smooth V6 petrol & diesel power, the Grenadier is a great towing option. These vehicles are also unbelievably capable off road, and are very well built. With TDI's module, you'll be getting near on 630Nm extra!