By using Eco mode on your Tunit Optimum you can make drastic improvements to your fuel economy and save money by filling up less often.

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Superior Performance

Performance is our passion and we work to get more out of your engine. Optimise your petrol engine today for more power, torque and fuel economy.

Adjustable Tuning

The Tunit Optimum is easy to fit to any petrol vehicle by simply plugging in to the OBD port. The standard Optimum comes pre-set in one of three performance settings from Eco to Sport Plus.

Go Eco

By using Eco mode on your Tunit Optimum you can make drastic improvements to your fuel economy and save money by filling up less often.

REVIEWS

Allan, Skoda

I received my unit back on the 18th and refitted it over the weekend - what a difference. My Skoda is a different car! All “hollow diesel knock” has now disappeared and the engine performs with increased smoothness (pulling smoothly from 30 mph - 1100/1200 rpm in 4th gear!) and noticeably more pulling power through the gears. With the engine electronics now "put back to spec.” by VW after their emissions scandal and the Tunit unit working correctly, I am impressed. Thanks for your help and looking forward to greater enjoyment from my Skoda.

Derek , Landrover Range Rover Sport

The Sport was a different car once the tunit had been fitted,as soon as I left the Tunit premises I could feel the increased power and the acceleration was a lot smoother, completing the Cannonball 8000 run to Zagreb at high speed really showed the difference that the tunit made.