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How does my SI board look/ what should I do with my cluster.

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    How does my SI board look/ what should I do with my cluster.

    How does my SI board look? I am taking my cluster apart because the left side illumination bulb seemed to have gone out. However the bulb itself looks good. When i bought it the gas gauge didnt work so i assumed SI batteries where dying, but now everything but the illumination bulb works. Going to go to battery+ and get them replaced. Any recommendations while I have it out? I got trim rings and all new bulbs. considered going w LEDs but havnt pulled the trigger yet. I got white overlay for the faces and was considering other cosmetic things.

    My odo gears work, should I bother replacing them or leave them be for now? The biggest pain is getting to those two thumb screw things behind the black trim piece below the cluster.


    85% of the time i have no idea what I'm doing

    #2
    Guess you never got any feedback on this? looking to go LED myself while doing ODO gears. What did you decide?
    E30

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      #3
      Originally posted by powaz View Post
      Guess you never got any feedback on this? looking to go LED myself while doing ODO gears. What did you decide?
      I went with OEM bulbs, simple, easy and I shouldnt. have to worry about them.
      85% of the time i have no idea what I'm doing

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        #4
        I painted my needles got some gauge rings and did the tach stripe when I did my gears
        Attached Files

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          #5
          Dont replace the SI board batteries without replacing the other components on the SI board. If you replace the batteries alone, it can lead to permanent damage of the SI board. Ever hear of smacking the dash to get the gauges working again? That is failed transistors and replacing the batteries with failed transistors will damage the expensive SI board. This does not occur everytime but if you put new batts on, once one or more of those transistors fails, you now have tons of electrical current (from new batts) to cause heavy shorting. All transistors voltage regulators, and capacitors must be replaced prior to installing new batts.
          Owner - Bavarian Restoration
          BMW and European Electronics Repair and Restoration
          www.BavRest.com
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            #6
            Originally posted by Gregs///M View Post
            Dont replace the SI board batteries without replacing the other components on the SI board. If you replace the batteries alone, it can lead to permanent damage of the SI board. Ever hear of smacking the dash to get the gauges working again? That is failed transistors and replacing the batteries with failed transistors will damage the expensive SI board. This does not occur everytime but if you put new batts on, once one or more of those transistors fails, you now have tons of electrical current (from new batts) to cause heavy shorting. All transistors voltage regulators, and capacitors must be replaced prior to installing new batts.
            All good, you actually just did my SI board lol
            85% of the time i have no idea what I'm doing

            Comment


              #7
              Originally posted by Gregs///M View Post
              Dont replace the SI board batteries without replacing the other components on the SI board. If you replace the batteries alone, it can lead to permanent damage of the SI board. Ever hear of smacking the dash to get the gauges working again? That is failed transistors and replacing the batteries with failed transistors will damage the expensive SI board. This does not occur everytime but if you put new batts on, once one or more of those transistors fails, you now have tons of electrical current (from new batts) to cause heavy shorting. All transistors voltage regulators, and capacitors must be replaced prior to installing new batts.

              How much for the service?
              E30

              Comment


                #8
                Originally posted by powaz View Post


                How much for the service?
                You can find current pricing at bavrest.com. See pricing page. Thanks
                Owner - Bavarian Restoration
                BMW and European Electronics Repair and Restoration
                www.BavRest.com
                My Feedback Thread
                Our Facebook!
                Follow our Instagram!

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