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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

C ,Honda CRV i-ctdi Exec

I fitted the Tunit as soon as I got it (on time as promised) I then headed off on my scheduled trip to Wales. I notice immediate improvements to smoothness and engine sound. It has changed many detailed driving changes to many to identify at this time but two stand out: Several times I thought I was in forth when I was in sixth due to improved torque and an approx 10% gain in fuel economy but that is only one trip and less than a tank of fuel. Thanx for your help.

Michael ,Landrover 2007 Freelander II 2

Dan Many thanks for the very helpful letter. I'm sure I can make good use of it if potential insurers try to up my premiums. You ask about mpg with my Freelander 2. Just for the record, I originally fitted the Tunit to a Freelander 1 TD4 but in January last year had it re-calibrated by Tunit and fitted to my present Freelander 2, which had 32,058 miles on the clock when I bought it. I'm a low-mileage driver and in the 14 months since then have driven 6309 miles, of which approx 900 were towing a caravan. The total fuel used in those 14 months was 910.25 litres (200.22 gallons). Combining solo and towing that gives an average mpg of 35.94. The run to Dorset mentioned was solo and was as good a return as achieved at any time, much better than around town where the on-board computer shows an mpg in the low 30s. Hope the above is helpful. Kind regards Michael