2004 E46 325Xi - Push fit coils breaking contact and causing misfires?

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  1. 2004 E46 325Xi - Push fit coils breaking contact and causing misfires? 
    #1
    Are
    Are is offline
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    Car Details
    Are's Car Details
    Model of Car:
    325XI
    Year of Manufacture:
    2004
    Transmission Type:
    MANUAL
    Car Body Type:
    SALOON

    Join Date
    Aug 2010
    Location
    FRANCE
    Posts
    65
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    Thanked 4 Times in 3 Posts
    Is it possible that push fit coils can move and lose contact with spark plugs and cause erratic misfire problems? Thanks Are
     
     

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    #2
    Are
    Are is offline
    BMW Fanatic
    Car Details
    Are's Car Details
    Model of Car:
    325XI
    Year of Manufacture:
    2004
    Transmission Type:
    MANUAL
    Car Body Type:
    SALOON

    Join Date
    Aug 2010
    Location
    FRANCE
    Posts
    65
    Thanks
    25
    Thanked 4 Times in 3 Posts
    Thanks afcneal, An Indy fitted 6 Bresch coils, these have a push on spark plug sleeve, it is not firmly attached as with Bosch coils, the Indy now says that misfiring is caused by the ECU but seems to have done little in the way of diagnostics. Since I pushed the coils firmly in place there have been no misfire problems, but even when I slightly pull the coils away from direct contact with the plugs there is still no misfire, but, but, when I disconnected coils 1, and 2, there was an obvious misfire but this was not recorded on the Peake! The Indy insists that I pay for the ordered ECU. I'm at a loss. Are
    Last edited by Are; 11-08-2011 at 13:56. Reason: error
     
     

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