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Z4 2010 E89 N54 3.5 turbo

Discussion in 'E89 Z4 (2009-present)' started by jognov57, Sep 19, 2019.

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    jognov57 E89 2010 Z4

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    I need help on my 2010 Z4 E89 N54 3.5 twin Turbo.
    Does anybody know someone I can talk to on this engine
    I have returning intermittent Engine Light Warnings coming with with RPM's fluctuating during idle
    Sometimes effecting my Double clutch transmission putting it into limp mode.
    Shutting of the engine and restarting it makes everything disappear and can be good for weeks.
    The dealer is helpless and already exchanged the Throttle body three times since it always throws throttle body error codes.

    Any advise or hint where to go is highly appreciated
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    Welcome and hopefully I can help some. What is you fault for intermittent check engine light? Any upgrades to the vehicle?
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    jognov57 E89 2010 Z4

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    Hello Carlson
    Thank you for trying to help me.
    Well my car has a Dinan Stage 2 tune however this problem was already there before the tune
    Last Weekend I was finally able to capture two error codes

    P 1141 and P115F both indicate that there is something wrong with the signals going to the Throttle
    I believe that there is either a bad sensor or a bad connection/wire ...maybe the accelerator paddle?
    What is your opinion
    Thanks again for your help

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