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Will my rear light cause me to fail NCT?

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  • 19-10-2014 3:19am
    #1
    Sobanek
    Closed Accounts Posts: 3,354 ✭✭✭


    Hi guys, as most of you know I have a 2004 BMW 320ci, which means I have the LED taillights.

    Will that many LEDs broken cause me to fail the test?

    q5ilVf8.jpg?1


Comments

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    #2
    [Deleted User]
    Posts: 17,728 ✭✭✭✭ [Deleted User]


    If less than half of the LEDs in a single matrix aren't illuminating you'll pass, hard to gather from the picture if there's more or less than half of them faulty.


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    #3
    Sobanek
    Closed Accounts Posts: 3,354 ✭✭✭Sobanek


    18/30 supposedly working...
    But I don't want to take chances on this, so I ordered a new light.


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    #4
    Foxhole Norman
    Registered Users Posts: 5,875 ✭✭✭Foxhole Norman


    Is the cluster all wired right? No loose connections?


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    #5
    Sobanek
    Closed Accounts Posts: 3,354 ✭✭✭Sobanek


    Yeah, moist got into the bloody thing and killed them off. Typical E46 issue unfortunately.
    And it's always the left one! Design flaw perhaps?


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    #6
    Foxhole Norman
    Registered Users Posts: 5,875 ✭✭✭Foxhole Norman


    Sobanek wrote: »
    Yeah, moist got into the bloody thing and killed them off. Typical E46 issue unfortunately.
    And it's always the left one! Design flaw perhaps?

    Are the seals perished?


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    #7
    Sobanek
    Closed Accounts Posts: 3,354 ✭✭✭Sobanek


    Foxhole Norman wrote: »
    Are the seals perished?
    It's got a tiny 1mm crack on the housing and it's covered in algae from the inside.


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    #8
    Foxhole Norman
    Registered Users Posts: 5,875 ✭✭✭Foxhole Norman


    Sobanek wrote: »
    It's got a tiny 1mm crack on the housing and it's covered in algae from the inside.

    So yes :pac:


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    #9
    mgbgt1978
    Registered Users Posts: 4,227 ✭✭✭mgbgt1978


    Only a visual retest if it fails, so why bother spending money until you have to ?


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    #10
    Odyssey 2005
    Registered Users Posts: 21,065 ✭✭✭✭Odyssey 2005


    mgbgt1978 wrote: »
    Only a visual retest if it fails, so why bother spending money until you have to ?

    Because it's not right


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    #11
    mgbgt1978
    Registered Users Posts: 4,227 ✭✭✭mgbgt1978


    Why isn't it 'right' ???
    The Op has stated that 18/30 Led's are working. This is more than 50%, so it is not an NCT fail.
    Do you replace your tyres just because they have 60% of the original Tread remaining and look a bit worn ?

    Just to clarify...The Op's Thread Title is Will my rear light cause me to fail NCT?
    The answer is No.


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    #12
    Odyssey 2005
    Registered Users Posts: 21,065 ✭✭✭✭Odyssey 2005


    It's not right because the near side light glow would be only half the size of the other light. While it MAY pass the NCT it would not look right and would prob eventually need to be replaced.The op als said that he has ordered a new lamp,which I think is a wise idea. Why wait until either the car fails the NCT or the light fails.


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    #13
    mgbgt1978
    Registered Users Posts: 4,227 ✭✭✭mgbgt1978


    But it's not going to fail the NCT.:rolleyes:
    And nether is the light going to suddenly cease working. The Led's will gradually stop working one by one.
    At present he has 60% of the Led's functioning so (again) what's not right ?


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    #14
    [Deleted User]
    Posts: 17,728 ✭✭✭✭ [Deleted User]


    Could also fail due to the moisture.


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    #15
    Spook_ie
    Registered Users Posts: 10,896 ✭✭✭✭Spook_ie


    Odyssey 2005 wrote: »
    Because it's not right
    mgbgt1978 wrote: »
    Why isn't it 'right' ???
    The Op has stated that 18/30 Led's are working. This is more than 50%, so it is not an NCT fail.
    Do you replace your tyres just because they have 60% of the original Tread remaining and look a bit worn ?

    Just to clarify...The Op's Thread Title is Will my rear light cause me to fail NCT?
    The answer is No.

    The aesthetics of the car are off, replace it IMO, a wrong colored door mirror wouldn't fail but most people would replace/respray it to achieve balance


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    #16
    Odyssey 2005
    Registered Users Posts: 21,065 ✭✭✭✭Odyssey 2005


    While it may pass and does not need replacing (according to mgb ) it is also not up to manufacturers standard,therefore it's not right and needs to be replaced.


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