Introduction / plea for help

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  1. Introduction / plea for help 
    #1
    Bimmer Fan
    Car Details
    Wildone's Car Details
    Model of Car:
    320d SE tourer
    Year of Manufacture:
    2008
    Transmission Type:
    Manual
    Car Body Type:
    Touring/Estate

    Join Date
    Nov 2013
    Location
    England
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    Hi
    This is my first posting and I'm pleased to join your forum

    By way of introduction I would advise you that I was enjoying my relationship with a very fine Z3 until someone burnt it of our driveway
    The fire almost cost us our home too and my lifelong girlfriend / wife announced that we would never ever consider rag top cars again even after our many years of abusing them

    We now enjoy our Z4 which is, of course, a convertible without having the rag top

    However -- the help / advice which we need is about our other Beema the 320 d SE tourer

    It "makes" a funny noise just as it starts up.
    I find the noise very difficult to describe and therefore I'm more comfortable telling you what it DOESN'T sound like -- it is neither a knock a rattle or a belt squeal.

    It does not occur while the starter motor is cranking the motor -- it occurs for a millisecond just as the motor fires

    The start up is as instantaneous as is possible and the noise could not be shorter but -- neither could it be so reliable and irritating

    It is my opinion that " the noise" is partner too or related to an engine vibration which ONLY occurs at tickover -- even 50 more rpm eliminates it to compete smoothness.

    I removed the driving belt as a test / option eliminator and convinced myself that both problems had disappeared --- that then lead me to check every driven part in the belts drive train
    I found that the main shaft pulley / damper/ shock absorber had more play in it's rubber boss than I was comfortable with

    Therefore I bought a new pulley unit today and fitted it with a new belt too
    ( those are not cheap parts)

    Sadly after refitting I find that the "noise" is still the same and I'm only slightly convinced that the tickover is smoother

    Has anyone had / cured these problems please
     
     

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  3.  
    #2
    BMW Fanatic
    Car Details
    Delboy318dm's Car Details
    Model of Car:
    318d Msport
    Year of Manufacture:
    2010
    Transmission Type:
    Manual
    Car Body Type:
    Saloon
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    Just because the noise doesn't come when your cranking the starter doesn't mean you should rule that out.


    Sent from AutoGuide.com Free App
     
     

  4.  
    #3
    Bimmer Fan
    Car Details
    Wildone's Car Details
    Model of Car:
    320d SE tourer
    Year of Manufacture:
    2008
    Transmission Type:
    Manual
    Car Body Type:
    Touring/Estate

    Join Date
    Nov 2013
    Location
    England
    Posts
    0
    Thanks
    0
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    Thank you kindly for your advise

    However -- my attempt at describing the noise would be --

    IF IT WERE A CONVENTIONAL PETROL BURNING CARBURETTARED MOTOR (which of course it isn't) I WOULD DESCRIBE THE NOISE A AS A SINGLE SPIT BACK THROUGH THE CARB
     
     

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  6.  
    #4
    BMW Maestro
    Car Details
    danidge's Car Details
    Model of Car:
    E36 323i + cbr1000rr
    Year of Manufacture:
    98 + 04
    Transmission Type:
    Manual
    Car Body Type:
    Coupe
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    maybe you could make a video so we can see / hear it?
     
     

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