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Comment: BMW320d E90
"Came in 2 days. Greatly improved MPG and torque, took 5 mins to fit and simple. Would recommend to any BMW driver 100%"
Jun 10 2015, 13:54 PM by Mick Bell

Comment: Mercedes Sprinter 311 CD I
"Was put on to this company by a friend. It does exactly what they say on their website. Best price of equipment I have bought for little money. Certainly recommend this company. Andrew was a great help with anything you want to know."
May 26 2015, 10:45 AM by Kevin

Comment: toyota rav4 2.2d4d
"arrived this morning,fitted in 10minutes,went out for a run and was getting previously around 45 mpg,this has now improved to 56 mpg.Well pleased.These units are so easy to fit and tweek to get the engine how you want.Brilliant."
May 23 2015, 16:06 PM by David

renault megane
"I fitted the unit easily to my megane,and after a couple of weeks ,got the hang of the adjustment. The improvement to fuel economy was good,from 60 mpg to almost 76mpg on a good run. Just running around also made a big improvement from 45/50 to 55/60. Very pleased."
May 21 2015, 15:14 PM by David

Fiesta 1.4 TDCi with Pro-Bitz Mod
"The Bad: Fitting it to the Fiesta 1.4 is HARD! As a tip : use cable ties to move some of the pipe work, and to release the retainer leaver for the Common Rail Plug. Once the plug is out, is really is a few minutes work to put it all back again. The Good: First drive on the default settings felt amazing, turned up the potentiometer by two clicks (360 degree turns) and all i can say is WOW. Now dont get me wrong the 1.4 TDCi is not a great engine, but with the tuning box fitted, there is power, no flat spots, and a shove in the back when you accelerate.. Muel confumption is difficult to guage at this time, however it certainly seams to deliver, why ? Well the shift change indicator is pushing me quickly to 5th at speeds from 10MPH to 50MPH, meaning the engine is happy to pull in 5th. I can testify thais from my 140 mile daily commute, there is definitely more tourque, and more power. I was never after more top end, but something making the car more drivable, and the Pro-Bitz unit delivered. There are some Re-Map companies stating that box mods are not ideal, and they custom tune the re-map, but for me, i wanted a DIY solution, that i could tinker with (3x 360 degree turns showed the Traction control symbol, so i wound it back to 2 turns) In short, the best £100 i have spent (despite the fitting nightmare) and definitely better value that the other units / remaps out there that are charging £250 - £300 for the same solution. "
Apr 23 2015, 11:49 AM by Cookie02392

Comment: clubman cooper d 1.6 surge!
"Have had tuning box for a few weeks now. Have to say it has changed the car dramatically. Took a test drive in a new 15 plate cooper sd recently and it shifted, but after fitting the tuning box to my clubman, it feels as though it has the same power. Pick up in gear is just one big surge and a big smile."
Apr 06 2015, 18:06 PM by Tim

Ford Fiesta 1.6 2011
"Had unit fitted yesterday can only say excellent! Turbo lag has gone engine has now got some get up and go feels like driving a new car. Thank you for all your assistance your instructions were very precise and clear. Regards Bob"
Feb 22 2015, 21:27 PM by Bob

Best on the market
"Product does what is claims. If you have any issues, these guys are more than helpful with the setup. Highly recommend probitz"
Feb 07 2015, 16:06 PM by Cam Stewart

100% As Advertised
"Fitted to my Renault Latitude Luxe, 2L Diesel, 2012. All the claims proved true, ie, more power and torque with the manufacturer settings straight out of the box. Went for first run after install and noticed an immediate improvement in responsiveness, esp from take-off. The turbo lag had disappeared and it was responding like a petrol engine off the mark. Highly recommended!!"
Feb 04 2015, 11:27 AM by I.Simmons

Pro-Bitz Sprinter Van 2007 311
"I have used the Pro-Bitz Module for 3 or 4 years I tow a trailer with the Sprinter up and down to the South of France and its over 7 ton total I could not do it with standard Merc settings.........flat and lower power without the Module......it also returns 30 to 40 mpg per tank full over a set route."
Nov 27 2014, 11:49 AM by Riviera Transport

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