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325es random idle vibration

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    325es random idle vibration

    I have a Bmw 325es and I'm randomly getting vibrations at idle and while I rev up. Will occur completely randomly, and sometimes it will last the whole time I'm driving or only a couple minutes. Not my motor mounts, they're solid mounts but this vibration is different than the vibrations from them being solid. All ignition components are new. It seems like it's missing when it's doing this, anybody had this issue and find a resolution? Car will die out on cold starts unless I keep it revved for a minute or two, not sure if these would be related? I've tried searching but anything close to my issue comes up as a dead thread with no resolutions.

    #2
    if ignition is all new, i would assume next thing to check is fuel, start with a filter, then try injectors.
    it could also be a torn MAF boot or the hose going to the ICV.
    WTB:m60b40 in PNW
    Zachary Ripley

    85 318i M50B25tu.
    92 525it 5 speed.
    80 244gl (m60 prepping).

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      #3
      Check for vacuum leaks.
      AWD > RWD

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