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      10-07-2023, 11:28 AM   #1
unclerhino
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Drives: e92 M3 manual 2008
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Fixed: DME not switching DME relay on

As the title suggests.

I can manually switch the relay on by grounding the control line and then everything works.

I traced the wire to the DME and it seems perfectly fine. I attached a probe to the pin of the DME and at no point does the DME drop the pin to ground like it should.

I have ISTA/INPA. The only fault code is the EKP complaining that the DME relay is not switched on.

Im guessing my only option is to try replacing the DME?

Edit: found 2 pins on ECU were corroded and missing

Last edited by unclerhino; 10-08-2023 at 04:51 AM..
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