2004 e46 316i fuel pump no power

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  1. 2004 e46 316i fuel pump no power 
    #1
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    Car Details
    shayom's Car Details
    Model of Car:
    316
    Year of Manufacture:
    2004
    Transmission Type:
    automatic
    Car Body Type:
    saloon

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    Hello Im having a problem with above car.There is no power at fuel pump ive checked the relay and changed it to horn relay and still no joy.I was just wondering if there was any other known reasons for no power at pump.The car starts sometimes and runs perfect but if you turn it off it wont start again until car cools down so it seems.
    Any help greatly appreciated.
     
     

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    #2
    Bimmer Fan
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    shayom's Car Details
    Model of Car:
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    Year of Manufacture:
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    Anybody
     
     

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    #3
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    surestart's Car Details
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    e36 m3
    Year of Manufacture:
    2000
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    Are you sure that there is no feed to the pump ? Have someone crank it while you test it. If you are switching the ignition on then testing for a feed you will not get one.
     
     

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    #4
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    shayom's Car Details
    Model of Car:
    316
    Year of Manufacture:
    2004
    Transmission Type:
    automatic
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    saloon

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    Checked it when cranking over no juice.Checked it with probe and multimeter.
     
     

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    #5
    Dr of BMW gildersol's Avatar
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    Check fuse F3 in engine electronics box
    Check fuse 54 in glovebox

    If it starts and runs sometimes, it sounds like a relay, either the fuel pump relay or the DME relay which supplies power to the fuse F3 mentioned above.

    Other possibilities would be a bad connection somewhere or worst case, a fault with the DME unit itself.
     
     

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