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  1. #1
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    DPF Removal pros & cons

    My 07 3.0 TDi's been remapped already.

    Looked in the boot and according to the label it DOES have a DPF, no problems whatsoever so far.

    So questions are:

    1) Will I need to get it remapped again once DPF is removed
    2) What are the disadvantages?
    3) Advantages?
    4) Has anyone had it done & what did you pay?

    And finally I do appreciate the saying... 'if it ain't broke...

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  3. #2
    Rick @ Unicorn Motor Dev.'s Avatar
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    1. Yes you will
    2. Possibility of a little smoke now and then, how much depends on the map.
    3. Increased Reliability, Power, Economy.
    4. Prices vary depending on competency of the company. We are in Manchester and a specialist and charge £500 drive in drive out for everything, guaranteed with after sales care.

    Thanks, Rick
    Unicorn Motor Developments. Bespoke Calibration and Remapping Services
    www.unicornmotordevelopments.com

  4. #3
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    Thanks Rick

    1) I'll probably not bother knowing that
    2) Good to know
    3) Is an Alientech eco remap that currently has seen me do 55MPG+ and 950 miles on a tank
    4) Anything from anyone else?

  5. #4
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    you sure its got one, or just got dpf prep
    VCDS in North Wales
    2007 A6 3.0TDi S-Line Le Mans Avant , adaptive xenon lights, sunroof, privacy glass, towbar, led rears & randomly rear seat airbags
    1999 Honda S2000 , mcb low milage jap import, fully bushed, mugen exhaust <<< for sale! <<<
    2001 Passat TDi 130 Sport < sold!! http://img.photobucket.com/albums/v343/Ste_Nova/Passat/PB140007s.jpg

  6. #5
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    Dunno, read a post where NO DPF is designated by a certain code on a sticker inside the boot, mine doesn't hve that designation so am assuming so.

  7. #6
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    Mine is an 07 as well, with code 7GN (DPF preparation) on the spare wheel well sticker, and it does not have a DPF fitted... its just a little secondary cat near the passenger foot well (which I am contemplating having cut out).

    For what its worth, I don't get any smoke (with a "power oriented" remap) unless I absolutely stomp on it. I would bet that with a "economy" map, there would be 3/5ths of sod-all smoke even at load, as the fuelling would be dialled way back.

  8. #7
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    Mine DOESN'T have 7GN on the boot sticker, which means it has a DPF.

  9. #8
    ZYX
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    Quote Originally Posted by MarkyM View Post
    Thanks Rick

    1) I'll probably not bother knowing that
    2) Good to know
    3) Is an Alientech eco remap that currently has seen me do 55MPG+ and 950 miles on a tank
    4) Anything from anyone else?
    Jasus 55mpg !! That's good goin Man !!
    An Eco Re-Map - Has it changed the Power delivery / characteristics of the Engine ? Has she still got the Grunt ?

  10. #9
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    ZYX

    Not that I've noticed, maybe a little hunting on the revs just below 2k

    As to the grunt both of my previous cars were a little quicker (LPG'd dual remapped XK8 and supercharged MX5 18psi).

    On the run that returned the 55MPG I was stopped by Mr Plod for doing XXX MPH that rsulted in my first 6 points in 30yrs of driving

    So fitted a performance exhaust so I can 'hear my speed' better...but the cars so darned well insulated only those outside can appreciate it

    Am wondering if DPF removal/Auto-RX/Terraclean can see me hit close to 60MPG

  11. #10
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    I would wager you will see a healthy increase in MPG if you do get it removed, as they really do bung up the airflow.

  12. #11
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    Yep most probs the same as a Cat on a petrol car, removed them from my XK8 (not needed as LPG) and saw a 4MPG increase straight away...more power too :-)

 

 

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