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Engine stalls after startup- seldom, than all fine

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  • Engine stalls after startup- seldom, than all fine

    Hi guys,
    Looking for you insight.
    2000 s50b32 m coupe.

    I recently serviced my car, new icv, new vacuum lines to it,
    Since I developed bouncy idle and stalls on red lights.
    Having done that (finding my icv tubes were torn), car drives awesome-
    BUT-

    Upon start up, rather when hotter than colder,
    Rpm drops as I release the gas pedal starting to drive,
    And engine stalls. Especially after reversing out of the parking.

    I start over one or two times, then drive off, and all is perfect.
    No bouncy idle, no stalls. Car drives great.

    Happens only at the beginning after a parking period.

    Any ideas?

    On another note, I ordered the icv associated parts.
    My car had a plug instead of part 11.
    I now have it in hand-
    Where is it connected to? Can it be associated to my problem?
    If you have a pic to show its connections, it would be best.


  • #2
    this picture shows number 11 I think, there should be a rubber bung on the end of the T piece







    It ends up at the fuel tank breather valve (but may be different for non UK cars?)

    http://www.etk.cc/bmw/EN/search/sele...CE/13/13_0442/
    Last edited by Dave P; 01-02-2015, 02:08 PM.

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    • #3
      A new throttle switch fixed this problem for me (at end of engine throttles).

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      • #4
        You had same symptoms?
        You talk about the TPS?

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        • #5
          Yes, I used to have warm start idle fluctuation that seemed to need a blip of the throttle to clear and steady the idle, but when I replaced the TPS it seemed fine on warm start on my car.

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