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  4. e36 m3 stalling, help!

e36 m3 stalling, help!

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  • m42b32M
    m42b32M
    m42b32
    wrote on last edited by
    #1

    Hi all,

    My '99 m3 developed a problem on the way home today, when I let off the gas to come to a stop the car dies. I can restart it easily and it will idle just fine, but the minute I touch the gas it will bog and, if I dont stall it, it is extremely sluggish until I get to around 2000rpm. It seems to be fine above there. It throws a check engine light every once in a while when it stalls but it goes away as soon as I start it again. I also noticed that it bucks a bit if I'm cruising around 2k rpm. 

    Any things to check/advice would be appreciated

    1991 318is, 1991 318i, 2022 Bronco

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    • B
      B
      B C
      wrote on last edited by
      #2

      Sounds like a torn intake boot/large intake leak

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      1
      • m42b32M
        m42b32M
        m42b32
        wrote on last edited by
        #3

        de17b08991e60b17d3272858e882cb1f.jpg

        Snap you nailed it. The boot tore where the ICV hose connects, PO taped it up and the hose completely fell out on the way home. I was thinking all sorts of sensors/coil packs/expensive stuff because the boot looked perfect from above...

        Sent from my XT1080 using Tapatalk

        1991 318is, 1991 318i, 2022 Bronco

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        • EarlE
          EarlE
          Earl
          wrote on last edited by
          #4

          I was going to say ICV but Snap nailed it haha

          museum sig 2earl.jpg

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          • wasnt m3W
            wasnt m3W
            wasnt m3
            wrote on last edited by
            #5

            I have a good intake boot from my m roadster laying around if you're in a pinch. I just deleted the traction control stuff (which you should do). Just order an intake boot from a car without asc.

            m3sig-1.jpg

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            • m42b32M
              m42b32M
              m42b32
              wrote on last edited by
              #6

              wasnt m3 said:

              I have a good intake boot from my m roadster laying around if you're in a pinch. I just deleted the traction control stuff (which you should do). Just order an intake boot from a car without asc.

              I used a bunch of tape and was able to seal it back up enough to get to work in the morning, I'm about to order a new boot and completely forgot about the ASC delete, I was planning on doing it eventually, thanks for reminding me!

              1991 318is, 1991 318i, 2022 Bronco

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