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How do I change the chip?

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  • How do I change the chip?

    Just bought a chip for the 87 M3.
    When I opened up the computer, there appears to be 2 circuit boards facing one another. I didn't pull them appart, but could not see if there was a removable chip in there. Does the chip need to be unsoldered and the new one resoldered in, or are like the other E30's where the chip pulls out and the new one just presses in?
    87 M3 Euro diamond black
    90 318is diamond black

  • #2
    The clips that you separate are opposite the ribbon connector. Ie, It opens like a book with the ribbon as the spine.
    Study the clips carefully and it will be apparent how they separate.
    Make sure you are grounded before you touch the case/chips, especially if you walked across carpet.

    You may or may not be able to pull the chip out with your hand.
    You may have to prise the chip out by working around its perimeter with a small scredriver.
    Do not prise using the circuit board as a fulcrum and note the orientation of the chip in the board.

    m

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    • #3
      OK,
      I could not see the chip in there. So there is definietly no soldering, it will pull out then?
      87 M3 Euro diamond black
      90 318is diamond black

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      • #4
        It pulls out.
        No solder.

        If it has been, then it has been modded.
        m

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