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  1. #1
    pon5on's Avatar
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    TDI Tuning box V ECU remap

    I thought I'd start a new thread about TDI Tuning boxes. Usually, I buy 4 year old cars, so if i was looking for a little extra power, I'd opt for an ECU remap. However, i bought my current A3 2.0 TDI from new, and don't want to void the manufacturers warranty.

    Tomorrow, I'm heading to TDI Tuning in Essex to grab one and fit it. Currently, I average about 48-52 MPG using VPower diesel and do varied motorway miles and town driving with a heavy foot :-) The main reason for me getting a tuning box is for power though but ill be interested to see what effect it has on fuel economy. They've quoted me 189bhp and 416Nm torque from its standard 139 BHP and 320 Nm, all in a removable box that will revert the car back to factory standard after unplugging it.

    After I've had it fitted, ill post some updates, continuing to run it on VPower diesel. It comes with a 14 day money back guarantee so I've got nothing to loose by giving it a go.
    2012 A3 2.0 TDI Sportback Black Edition in Panther Black.
    Mods: Black rings front and back, black S Line badges on front wings, LED number plate lights.

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  3. #2
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    Hi very interested in this post,keep us updated....

  4. #3
    Rick @ Unicorn Motor Dev.'s Avatar
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    To compare MPG, you can't use the DIS as the tuning box fools it.
    Unicorn Motor Developments. Bespoke Calibration and Remapping Services
    www.unicornmotordevelopments.com

  5. #4
    pon5on's Avatar
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    Rick, what other issues do you reckon ill come across? I know the best thing to do would be to remap the ECU, I'm purely doing this to settle my curiosity and retain the warranty. Company's selling them say they're good, as they would for selling purposes, and I can't ever arrive to a clear cut answer from reading other people's posts. This my first diesel, my car history sits with Jap cars and my last was a modified 300 BHP R32 Megane. Cheers.
    2012 A3 2.0 TDI Sportback Black Edition in Panther Black.
    Mods: Black rings front and back, black S Line badges on front wings, LED number plate lights.

  6. #5
    Tuddie's Avatar
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    Im watching this with interest as im gonna go down this route with my A6.
    My cars:

    2013 BMW 535d M-Sport Alpine White
    2004 Lancer Evolution 8MR FQ-340 Palma Red

  7. #6
    JudderMan's Avatar
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    My mate added a tuning box to his wife's Rav4 diesel and it's gone up 10mpg and is much pokier. As you said you can whip it off when it comes to selling the car and put the box on eBay to recoup some money. The 'maps' (sure you get a few to dabble with) will be generic but if it throws codes, worsens mpg and makes the car run crap then you get your money back, as you said within two weeks.

    Go for it. They're fairly cheap aren't they? Compared to a remap at least.
    2000 Audi A3 1.8T Sport AUM K03S|Second owner|Forge 007p|CM TIP|Yellow Dogbone|Pipercross panel
    To Fit - Decat then Mapping WANTED: Audi A4 B7 or MK5 Golf GTi (manual)(Want to Buy December 2014 so Keep Me in Mind)

  8. #7
    pon5on's Avatar
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    Will keep you updated stote and tuddie. Yeah judderman, TDI Tuning offer it for £290 including fitting and testing, although fitting is a piece of piss anyhow. Like I said, I'm all for remapping for a full tuning experience, but I'm more than likely gonna be trading up in 2 years for either a new S3 or A45 AMG, so want the warranty fully intact for the duration.
    2012 A3 2.0 TDI Sportback Black Edition in Panther Black.
    Mods: Black rings front and back, black S Line badges on front wings, LED number plate lights.

  9. #8
    Daggerit's Avatar
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    I've had nothing but good experiences from my DTUK tuning box from Andrew on here (ABYSS). Increased mpg and power with switchable maps and he's really good for working with you if you need anything. He also has the Pedalbox which changes throttle response, which I would recommend as it makes using the extra power more usable and is also switchable.
    Daytona Grey A4 3.0 TDi Quattro S-Tronic Black Edition



  10. #9
    pon5on's Avatar
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    So, just done the 220 mile round trip to Chelmsford and back to Oxford to get the box fitted, which was a 2 minute job. And even though the weather was shocking and visibility was crap on the motorway due to spray, I couldn't help myself from booting it on the return leg! The box comes with 7 different maps on it to subtely change the performance. I've opted for flat out power for the time being. To change the settings is easy enough, simply loosen a screw on the top panel, rotate the cover to access the jumper and move it along the pins depending on preference, simple!

    I instantly noticed the extra power, especially in 6th around 1600RPM; I no longer need to drop into 5th when the car in front goes down a lane to get past them! And it deffinately feels a lot smoother through all the gears and pulls harder. On the flip side, through built up areas, it feels smoother but makes no more fuss than it did. Plus, as a lot of threads I've read state, I haven't noticed any additional smoke come from the back. Diesel engines are more refined these days anyway plus have the addition of the filter.

    Fuel wise, I set off with half a tank and still have a quarter left. After I've had it a week, ill be in a better position to see if there has been any real change to MPG, although I predict ill be using more while I have a bit of fun using that extra umph :-)

    Overall, I'm happy with the end result of the box and as it was £100 cheaper than the remap they offered, plus a lot cheaper than the 170 engine from Audi, I'm gonna head down the pub for a pint and start thinking about weather I should get those H&R 50mm lowering springs or not...!
    Last edited by pon5on; 8th March 2013 at 18:28.
    2012 A3 2.0 TDI Sportback Black Edition in Panther Black.
    Mods: Black rings front and back, black S Line badges on front wings, LED number plate lights.

  11. #10
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    All sounds positive so far.. I'd like to get some more power from mine, now it's got a recon turbo in there now is as good a time as ever. Im interested in what peoples experiances are with the box's compared to maps as I've always believed in maps to have that extra bit of perfection and adjustment but it seems just as the diesel engine has refined over the years so has the tuning box.

  12. #11
    pon5on's Avatar
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    Well, I've just spent a full day pottering about in the car with the box fitted and, even though the power was up massively, the readings I was getting from the onboard computer relating to MPG and distance left in miles in the tank were outrageous. It reckoned I had 550 miles left in 3/4 of a tank and that I was hitting nearly 60mpg. Not likely as i was hamering it! So I pulled over, whipped the box out and did 60 miles with no box and it all settled back to normal. It was out by nearly 150 miles! I'm a bit of a perfectionist, so much so that I had the whole bumper off when I changed the front rings to black, and I like the fact that without the box, my computer accurately tells me what I want to know. So I've decided to keep it off and go with my gut and get remapped in May. Can anyone recommend someone? I've read a lot of positive feedback from Awesome GTI. Any other good ones?

    Also, I've scratched the label on the box in 3 places but other than that, there is no damage what so ever. It'll be interesting to see just how pedantic they get with their 14 day money back guarantee! Ill let you know after the weekend!

    Im not slating the box, it does exactly what you want, gives you more power. But for a more refined, proper job, I deffinately prefer and recomend a full ECU remap.
    2012 A3 2.0 TDI Sportback Black Edition in Panther Black.
    Mods: Black rings front and back, black S Line badges on front wings, LED number plate lights.

 

 

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