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Thread: '08 K12S Electrical Problems

  1. #1
    GREGFUESS
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    '08 K12S Electrical Problems

    Interested in hearing from anyone who has experienced this, or anyone with recommendations on resolution of these.

    I purchased this bike new 12 months ago, and it has performed wonderfully except... The front headlight has never been bright, people would comment on it, asking how I had turned the headlight off, etc.

    So at a few service intervals this was mentioned, some "adjustments" made, but no changes. The the dash lit up indicating a LAMPF and I was told it was the LED turn indicators causing it, not to worry. About 2k miles later, the front light went out.

    About 500 miles ago, the battery went dead with 19k miles and 1 day short of a year old. BMW took care of that, but is this indicative of more problems?

    Thirdly, an air pump was plugged into the accessory port, and the port was not working.

    Experiences, thoughts or recommendations?
    '
    Greg

  2. #2
    Honey Badger Semper_Fi's Avatar
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    There have been instances of weak batterys not just on the GT but RT.

    Can't speak to the other points but regarding the accesory socket - it is current limited to 8 amps(on my 09 GT) yours should be in that ball park.

    If the bike computer senses more than that current draw it shuts off the socket.

    For that reason I added a secondary socket connected to my centech fuse panel to allow 15a to flow as my on board compresser takes between 10 - 12 amps when in use.
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  3. #3
    K Bikes Complex by Choice cjack's Avatar
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    Quote Originally Posted by gregfuess View Post
    Interested in hearing from anyone who has experienced this, or anyone with recommendations on resolution of these.

    I purchased this bike new 12 months ago, and it has performed wonderfully except... The front headlight has never been bright, people would comment on it, asking how I had turned the headlight off, etc.

    So at a few service intervals this was mentioned, some "adjustments" made, but no changes. The the dash lit up indicating a LAMPF and I was told it was the LED turn indicators causing it, not to worry. About 2k miles later, the front light went out.

    About 500 miles ago, the battery went dead with 19k miles and 1 day short of a year old. BMW took care of that, but is this indicative of more problems?

    Thirdly, an air pump was plugged into the accessory port, and the port was not working.

    Experiences, thoughts or recommendations?
    '
    Greg
    First of all, did you replace the H7 bulb? My '08 bulb lasted about a year. Also the headlight is very directional. From the factory, I had to raise my headlight adj quite a lot. There is also a sideways adj, but that was ok in my case.
    How're the brights?
    R1200GS LC Rallye
    Jack Hawley MOA and RA #224, KE9UW ("Chuck")

  4. #4
    GREGFUESS
    Guest
    I haven't replaced the bulb yet, but had previously purchased an HID that I was toying with installing, but haven't had the time or sufficient motivation. Now I do, but am considering letting the dealer install it if they will, considering they did not buy it.

    The brights seem fine, I have noticed no problems, and received no comments on them, so assume they are doing the job.

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