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The Petrol Package provides the best in performance, savings and aftercare. Optimise your petrol engine with outstanding torque and BHP. Average fuel savings of 9%. Maximum control.
The Petrol Package allows adjustment through the Optimum Plus Phone App which actually increases or decreases BHP and torque. The dash control part of the kit controls the delivery of that performanc
Every driver and every car is different. Although already pre-programmed and pre-set for your car, easy to use controls allow performance to be tailored to suit your driving style.
Stephen,Ford Mondeo TDCi 130 auto
I recently purchased a TUNIT for my Mondeo 130bhp Automatic station wagon. I noticed an improvement in performance, smoothness and fuel consumption immediately after fitting but it was not until I did the round trip to UK last week that I really saw the difference. I drove 3500Km in seven days my average consumption was 6.5l per 100 km, previous trips gave 7.2l per 100 km an improvement of 9.7%. The extra power available was particularly noticeable when climbing the quite steep hills on the French Auto route resulting in a much more relaxed journey. I would like to congratulate you on a very good product.
Ray ,Nissan Navara 2.5 dCi 171BH
Jeremy Davies of Bernard Davies Commercials was very efficient at fitting the Tunit. I have just returned from a trip of around 800 miles. I have only checked the fuel consumption by means of the vehicle computer- not brimming the tank. This, however, shows an improvement in fuel consumption of marginally over 9%. The power/torque improvement is somewhat more difficult to quantify but on the only occasion I really booted it to try it out (not towing) it really seemed to be an improvement. When towing the torque is more obvious low down in the rev range. On main roads I seem to use around 1500-2250 revs an aweful lot. It is surprising how well I can hold top with no loss of roadspeed (measured by my Tomtom) on uphill inclines compared to previously. Also I can get into top gear much easier than previously and acceleration seems much improved. I hope this feedback is useful to you. Thanks again to you and Jeremy