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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.
Allen,Audi A6 All Road
Never thought this engine would be smoother than it already was.power has increased and gained 5 more miles per gallon.setting 5.cant praise tunit enough.it does exactly was it says on the tin.this is a 2.5 tdi audi allroad,i will most certainly be recommending your product to my motoring friends.thank you once again.Mr F Sanders Ltd who installed the device was excellant in his customer care...Mr A BEECHEY...
On return after fitting at Killinghall Quarry Industrial Estate, my Rover 75 Diesel ran smoother and had a hell of a lot more "Get up and Go" I bought the car two weeks ago checked all of the Mots that had been done at the DVLA to establish it's 32,260 miles showing on the oddometer. David who fitted the unit at Killinghall was a joy to behold, nothing too much trouble He even fitted me a Top grade Air filter which I took there with me and he would not charge, a first class young man in my estimation a totally joyous experience. Am I glad I found www.tunit.com I sure am.