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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.
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.
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.
David , VW Touareg 3.0 TDI V6
The Touareg power is smother & it feels quicker 30-50. 50-70 etc.
Graham, Audi Q7
Had device retuned to fit my Q7, from Mercedes Sprinter. Found Tunit made throttle control smoother and better performance overall. MPG still needs working out, as I haven’t been on a long run.