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Superior Performance

The Tunit III focuses on reducing the lag seen on older diesel engines. Mid-range improved torque makes driving much more of a pleasure bringing benefits in economy also.

Adjustable Tuning

The Tunit III is adjustable on installation. If the vehicle has a change of use then further adjustments can be made.

Go Eco

The Tunit has provided economy for many years on an array of applications and has been used extensively on Military vehicles.


Ben, Renault Master 2.5dci

My Renault master 2.5dci has improved by about 3 mpg, when doing 1000 miles a week its a great saving.

Frank , VW Golf 2.0 TDI

Very impressed. I liked it that much I even wrote a review of it in the Volkwagen Driver magazine. April and May issues 2008.