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

Keith, Volvo

Just wanted to update you with progress. No problems fitting the unit now - quite clear where the little tinker is supposed to reside. Plug fitted in-circuit in about 10 mins then a bit of head scratching on where to position the unit itself. In the end I went for what looks like a redundant plastic bracket at the front of the air filter assembly on nearside (I'm thinking plastic might reduce vibration somewhat) and the cable routes alongside other cables on top of the rad. This also makes it easy to uninstall for service time (I'm a bit paranoid about Volvo dealer whingeing about warranty etc. so I'll take the short time to remove and refit as it's so straightforward). Couldn't resist tweaking the dial from 5 to 6 but won't go beyond that - no need in retrospect. Results: Amazing! Very, very impressed that such a straightforward addition can provide substantive and noticeable all round improvements - without any apparent compromises (are there any?) - specifically: - Engine is much smoother, particularly at idle up to about 1600 rpm which is normal 'about town' traffic; is also smoother at motorway speeds - Noticeable improvement in power/torque at mid- high-range rpm and certainly faster pick up from low revs - there was a considerable 'lag' before that has reduced considerably. It's a different drive. - After just one weekend and about 250 miles of mixed motoring the mpg meter is returning an improvement of +2mpg to normal (now just over 48mpg) - I've not got over this before and I'm certain with some longer runs this is going to be much improved - I'll let you know in a month's time how it's going. End result - very happy for now. What I don't understand is how or why Volvo with all their R&D capability can't deliver this on the car itself? Or is this just 2 years of technology development? Thanks a

Denis , Skoda Superb

I have had my unit installed for some months, at first I had problems with fuel consumption! higher than without the unit on. I phoned your experts and was advised to take the unit from a setting of 3 to max(9). I was also told that your operative believed that torque was the secret for performance and lower fuel consumption. I can now after extensive use of my car towing (a 24foot van) tell you he was spot on! I use the torque where it applies to my outfit, I can tow comfortably at 53mph at 1600rpm, the available torque allows for a down change if needed for hill climbing, fuel consumption 33-36 mpg over the whole journey. Be fair! at 1600rpm the engine is just ticking over. Now I can also tow the same van at 70mph, now I am using the extra power supplied by the unit, don't look for fuel savings here as I will return 25-27mpg. A word to the wise don't expect to see any use from your unit if you use Supermaket fuel, its crap, some time ago I stopped using Tesco and like fuels, and I now have a different performing car. Sorry to go on, but thought you would like to know. Regards Denis Hall.