The Tunit Advantage 3 premium model provides easy adjustment 0-9 via an external dial or bespoke fine tune through our national dealer network for maximum results.

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Superior Performance

The premium Advantage 3 provides the best in performance, savings and aftercare for your engine. Optimise your diesel engine with outstanding torque and BHP. Average fuel savings of 12%

Adjustable Tuning

The Tunit Advantage 3 premium model provides easy adjustment 0-9 via an external dial or bespoke fine tune through our national dealer network for maximum results.

Go Eco

Every driver and every car is different. Choose a setting 0-9 from the Advantage 3 external dial. Move higher or lower to improve economy.

REVIEWS

Robert ,BMW 320D

Believe it to be excellent product trouble free and easy to fit

Gareth,Nissan D22 Navara

I purchased my Tunit Standard years ago for my D22 Navara. It's 2017 and still working from the day i got it. Without it my fuel bill over the years would of...well..let's not go there, but thanks to the fuel saving capabilities from the little black box i can thankfully say i can buy a beer or two.