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Thread: Modification of the IHKA control unit (E32/E34) due to overheating

  1. #1
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    Default Modification of the IHKA control unit (E32/E34) due to overheating

    Modification of the IHKA control unit (E32/E34) due to overheating
    http://www.e32-schrauber.de/bmw/date...difikation.pdf

    written by Ansgar (hundertacht) from the W126 Mercedes Benz Forum in Germany

  2. #2
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    good work erich. I have never had the problem before and its over 20 years old now.

  3. #3
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    I like this idea... but would first try adding larger heat sinks (lumps of aluminium fixed to the existing heat sinks using screws and silicon compound). Holes/vents in the casing would no doubt help too. They seldom engineer electronics to deal withe the extremes for more than 2 decades!

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    08/88 535i e34 M30+miller MAF, 'stiens, tints & teeth!

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