The Tunit Optimum Plus is easy to fit to any petrol vehicle by simply plugging in to the OBD port. The Optimum Plus uniquely can be adjusted from your phone Eco to Sport Plus.

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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 Plus is easy to fit to any petrol vehicle by simply plugging in to the OBD port. The Optimum Plus uniquely can be adjusted from your phone Eco to Sport Plus.

Go Eco

Easily switch between Eco, Sport and Sport Plus from your phone. The Optimum Plus provides a unique ability to fine tune to your needs.

REVIEWS

Tim ,Skoda Fabia VRS 130

Dan,

It's a great product, and apart from the extra power, there really is better fuel consumption. Something I didn't really believe before I fitted it!

The official figures for combined consumption are 5.3l/100kms (53.3MPG). With the tunit I am at around 4.7l/100kms (60.1MPG).

Best regards

Dave,Mercedes E220D

I liked Tunit because it could be removed due to my new Mercedes being on lease, I have used Tunit before but the performance was a vast improvement on my last experience