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M30b35 vacuum lines

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    M30b35 vacuum lines

    I just changed the head gasket on my 89 735i motor and I have everything hooked back up but the intake. (To my assumption) my stall is vacuum lines...
    I have no pictures currently but I could take some if needed. Anyone have a vacuum routing guide for this motor?!
    :early:

    #2
    The vacuum setup is pretty simple on the m30 compared to other motors. You could always go to a junkyard to look at someone elses setup.

    Searched "m30 vacuum diagram" in google and found this.
    '86 E30
    '05 E53 X5
    '72 Firebird
    '10 Prius
    '03 Tundra

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      #3
      I did not install the charcoal canister, and I also ran the fpr straight to the valve cover hose tee and capped the ports on the bottom of the intake.

      Am I going to have any problems doing this or do I need to run vacuum lines to the bottom of the inake and back to the tee.
      1991 335is in progress

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        #4
        The FPR works under vacuum. Your current setup, that tee gets nothing but positive pressure coming from the crankcase.

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