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Q8 3.0 TFSIe EA839 PHEV variant availability

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  • Q8 3.0 TFSIe EA839 PHEV variant availability

    As a long time JB1/JB4 user on TTs, BMWs and 43s, I have a Q8 3.0T PHEV incoming (I think its a variant of the EA839 engine?). is there or will there be a JB4 for this engine too? I'm confused about hybrids and tuning, not much on the subject.

    TIA

  • #2
    Originally posted by Gravity909 View Post
    As a long time JB1/JB4 user on TTs, BMWs and 43s, I have a Q8 3.0T PHEV incoming (I think its a variant of the EA839 engine?). is there or will there be a JB4 for this engine too? I'm confused about hybrids and tuning, not much on the subject.

    TIA
    The Group 7 Jb4 found here will work on it: https://burgertuning.com/collections...audi-s4-s5-sq5
    The TMAP plug circled in yellow below is a bit hard on this model to reach.

    Click image for larger version

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    2014 VW Golf 7 R
    2019 Porsche Cayenne Turbo
    2021 VW Golf 8 R

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    • #3
      Thx George for the quick reply. Is that Group 7 recommended and/or been tested on this engine configuration specifically? I saw it was listed as a fitment for the Q8 55TFSI which is the non-phev engine I presume? Just apprehensive with the mild Hybrid EV additions and what implications it might have, if any.

      I also can't find any discussion / install of this specific engine/model on the following forum:

      (http://filedata/fetch?id=607468&d=1661656827) (http://filedata/fetch?id=607467&d=1661656827) Use subject to terms and conditions posted at http://www.burgertuning.com/terms.html Order here: http://www.burgertuning.com/vw_volks...Jb4_tuner.html (http://www.burgertuning.com/vw_volkswagen_Group7_Jb4_tuner.html) THIS


      Thx for your input.

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      • #4
        George, can you confirm the Group 7 is suited and/or tested on the PHEV TFSIe version of the EA839 engine?

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        • #5
          Originally posted by Gravity909 View Post
          George, can you confirm the Group 7 is suited and/or tested on the PHEV TFSIe version of the EA839 engine?


          The PHEV does not affect the way the JB4 works. It adds power to the motor side and PHEV works independently.
          2014 VW Golf 7 R
          2019 Porsche Cayenne Turbo
          2021 VW Golf 8 R

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