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Thread: E30 cluster questions (I promise i searched)

  1. #1
    Join Date
    Oct 2018
    Location
    Houston, TX
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    My Cars
    1989 325

    E30 cluster questions (I promise i searched)

    89 325 with M50 swap.

    The car had only a working speedo. So, I ordered batteries to solder in. When I opened the cluster, it has the older style large batteries installed (they had been replaced previously). The car came with another cluster that the previous owner tried to plug and play. I opened the other cluster which had the small batteries. Are you still with me?

    So, I soldered in new batteries to the second cluster. Connected it back up.........tach now works with no fuel or temp. Cleaned the grounds on the back. Same result. I also now have a flashing CHECK light

    So, here is my question(s). It looks like someone has been in the cluster before. How can I tell which is the correct cluster? Should I soldier on trying to sort out the cluster with the small batteries, or replace the large batteries on the cluster that the car came with? As mentioned earlier, I am concerned that the cluster that came with the car is not the original.

    Any advice is appreciated including "bin it and buy a refurbished one."

    Thanks

  2. #2
    323i E30's Avatar
    323i E30 is offline ⅂!ʈө !ƨ l!ʞө ɐ ʇөlөbµouө
    Join Date
    Jan 2013
    Location
    Europe
    Posts
    3,214
    My Cars
    M52 E30 touring & E91
    Maybe you can find some of the info you need here: http://bavrest.com/technical-articles/bmw-e30-si-board#
    ^ true story



    D̶i̶b̶s̶ ̶o̶n̶ ̶t̶h̶e̶ ̶E̶2̶1̶

  3. #3
    Join Date
    Dec 2005
    Location
    corpus christi, texas
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    6,738
    My Cars
    No e30s, again :(
    I would try and work with what you got. you have two so you should be able to get one working
    No e30s again.

  4. #4
    Join Date
    Oct 2005
    Location
    Boise, ID
    Posts
    1,420
    My Cars
    1980 e21, 1985 323i
    Step on the brake and press the overhead obc check button to get rid of the check light flashing.
    Find someone with a stock 89 e30 and check the cluster with yours, should be the same.
    jm

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