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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

Lee,Mitsubishi L200 2.5 TD

I had my Tunit fitted Wednesday afternoon by Rob Cotterell.....the unit is simply awsome...very very impressive........but what impressed me even more was Rob Cotterell himself.....he was such a nice guy.....explained what he had to do......checked it more than once......explained how it worked .....wired it in ,so i could take it out myself if i ever sell the truck ......and then put it all back so you would never know it was there......totally professional and one of the most genuine mechanics i,ve ever met.

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