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Thread: Fast Blinkers/turn signals

  1. #1
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    Fast Blinkers/turn signals

    I have a 2002 Z3 3.0, my blinkers/turn signals work fine when I have my head lights turned off. But when I turn my headlights and dash lights on and use my turn signals they blink much faster than normal. But only when lights are on. Any Ideas?

  2. #2
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    Quote Originally Posted by Roscoe458 View Post
    ... my blinkers/turn signals work fine when I have my head lights turned off. But when I turn my headlights and dash lights on and use my turn signals they blink much faster than normal. But only when lights are on. Any Ideas?
    When you walk around the car and look, do all your head lights and turn signal lights work?
    BMW MOA 696, BMW CCA 1405

  3. #3
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    2001 Z3 Roadster 2.5 M54
    I had a similar issue with my Chevy van a few years ago. First the right blinker started blinking fast, left blinker was OK. Then the left blinker started blinking fast so now both were fast. Typically a light bulb issue but not in this case as all lamps were good. Turned out to be the flasher unit.

  4. #4
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    Quote Originally Posted by Roscoe458 View Post
    I have a 2002 Z3 3.0, my blinkers/turn signals work fine when I have my head lights turned off. But when I turn my headlights and dash lights on and use my turn signals they blink much faster than normal. But only when lights are on. Any Ideas?
    I had the same exact issue on my 2001 m roadster and a winded thread with bunch of smart ass remarks got to love the members of this board and their sense of humor. Anyways, it ended up being loose connection in the headlight. Just reconnect all one at a time, starting in the front and move to the back while keeping blinkers on and see which one is loose. I literally just wiggled the cable and it improved. There is none conducting grease you can pick up at your local hardware or auto store to seal and improve connectivity.
    Last edited by DimrBimmer; 12-05-2018 at 01:48 PM.

  5. #5
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    99 M3

    Fast Blinkers/turn signals

    Quote Originally Posted by DimrBimmer View Post
    There is electrisity conducting grease you can pick up at your local store to seal and improve connectivity.
    Dialectic grease is a non conductive grease that keeps O2 and moisture away from electrical contacts.


    Sent from my iPhone using Tapatalk
    Last edited by bluptgm3; 12-05-2018 at 02:49 PM.

  6. #6
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    Quote Originally Posted by bluptgm3 View Post
    Dialectic grease is a non conductive grease the keeps O2 and moisture away from electrical contacts.
    What he said

  7. #7
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    I seem to recall a car I had once that if a fuse was blown or a bulb was out the turn signal on the dash would flash rapidly. It may have been my 1973 2002.

  8. #8
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    Quote Originally Posted by Vintage42 View Post
    When you walk around the car and look, do all your head lights and turn signal lights work?
    A simple but unanswered question.
    BMW MOA 696, BMW CCA 1405

  9. #9
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    Sorry! Yes, all lights work as they should. Just when lights are on the signals blink very fast.

    - - - Updated - - -

    Quote Originally Posted by Vintage42 View Post
    A simple but unanswered question.
    Sorry! Yes, all lights work as they should. Just when lights are on the signals blink very fast.

  10. #10
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    G'ville,FL.
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    2000 Z3 2.8L/2003 530i
    Mine does the same thing.... my fix,I stopped driving at night.

  11. #11
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    Any ground connections to the body or other metal components could also be suspect, especially if there’s any obvious corrosion.

  12. #12
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    But seriously, I had same exact issue and posted about it. I got enough magic smoke responses, so let me spare you from those. Go around the car and reconnect all you bulb connectors starting from the front, testing blinkers with lights on each time to confirm if it’s fixed.

  13. #13
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    Sounds like a good place to start.

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