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

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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

Kieth ,Volvo S80

Good improvement to smoothness of volvo D5 (not the smoothest diesel in the world) and noticeable low-mid range power. Very happy with improvement.

Mark,BMW 120i M sport

What a cracking piece of kit … Loving the sport mode