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Thread: 335IS tuning

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    335IS tuning

    Which tunes work on the IS? I've heard the procede does -- how about the others? I assume they'd all bring it to the same power level and a regular n54 335i with the same tune, right?

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    We have 3 335is customers testing the JB4 and it works quite well. The integrated control complements the DCT perfectly.

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    Go with JB4!
    Click here to enlarge


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    Click here to enlarge Originally Posted by Gbreee90 Click here to enlarge
    Go with JB4!
    Agreed!!
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    We have 3 335is customers testing the JB4 and it works quite well. The integrated control complements the DCT perfectly.

    Is the output identical to an n54 335i?

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    Yes, no changes. It's still just an N54. Click here to enlarge

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    "Just" an N54?

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    JB4 N54 with DCT must be amazing.
    Click here to enlarge

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    Click here to enlarge Originally Posted by tom335is Click here to enlarge
    "Just" an N54?
    He means the engine is the same thing. What is different is the tune, mechanically they are the same thing so you can push them in the same manner.

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    today I spoke with a guy from oviedo

    who owns a n54 dkg and we will try to put a JB3 or better one with some additions JB4

    the fears for dkg change and if will be able to withstand the torque
    [SIGPIC][/SIGPIC]

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    Click here to enlarge Originally Posted by carcars Click here to enlarge
    the fears for dkg change and if will be able to withstand the torque
    He can upgrade it if he wants.

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    I have a friend with a Z4 35is he is reluctant to try out any tune due to fear of
    destroying his DCT, anyone know of torque limits for his DCT?

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    Click here to enlarge Originally Posted by xbox_fan Click here to enlarge
    I have a friend with a Z4 35is he is reluctant to try out any tune due to fear of
    destroying his DCT, anyone know of torque limits for his DCT?
    Yes, limit is around 440 pound-feet.

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