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

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Superior Performance

The Advantage 3i provides superior performance economy specifically tailored to work exclusively on i-ART engines.

Adjustable Tuning

The Tunit Advantage 3i premium model provides easy adjustment 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. Adjustment dial allows can be adjusted higher for mor power or lower to improve economy.

REVIEWS

Lee, Citroën C5 2.0 HDi

Hi Daniel, since the fitment of the Tunit V-CR unit to my new Citroen C5 I have noticed a marked increase in fuel economy, performance and refinement. At a steady motorway cruise the average consumption has improved from 40mpg to in excess of 50mpg. Performance has also increased and the added midrange torque makes overtaking swifter and safer. I am delighted with the result, especially as I fitted the Tunnit to enhance performance rather than economy. The added benefit of being able to transfer the tunit to another vehicle in the future is the icing on the cake.

H, VW Caravelle

Very, very impressed. Totally transforms the vehicle. Pulls from much lower down, smoothing out the point where the turbo comes in. An absolute joy to drive. I'm sure you've had all the superlatives before from previous customers but I honestly think it one the best things I've ever bought and for this reason I'm recommending to anyone I know who wouldn't be bored with me banging on about engines.