Check light comes on but bulbs are fine

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  • colton135
    Noobie
    • Mar 2013
    • 13

    #1

    Check light comes on but bulbs are fine

    having some electrical issues with my 87 325i, for one my check light comes on and it says that my tail lights are out and i get out and check them and they are fine and everything works. Ive taken the thing apart and checked all the bulbs checked the connections and they seem to be fine.

    thanks
  • Skunkworks
    E30 Addict
    • Sep 2012
    • 436

    #2
    It will come on every time you start the car until you depress the brake pedal.

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    • colton135
      Noobie
      • Mar 2013
      • 13

      #3
      ill depress the brakes and it will go off for a bit and then come back on a few minutes later and wont turn off again.

      Comment

      • Skunkworks
        E30 Addict
        • Sep 2012
        • 436

        #4
        ues a pencil eraser and contact cleaner on all of the electrical parts that have anything to do with your tail lights, Also be sure that you have the correct model number bulb, extra resistance will set off the check panel as well.

        Comment

        • dwvw
          Wrencher
          • Sep 2011
          • 234

          #5
          I hada broken solder joint in the relay board located at the third brake light. Check those relay boards.

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          • Gregs///M
            Forum Sponsor
            • Mar 2012
            • 2459

            #6
            Bulbs are cheap, replace them anyway. Then try again.
            Owner - Bavarian Restoration
            BMW and European Electronics Repair and Restoration
            www.BavRest.com
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