Klaus,
I just took my car for a 50 minute - 7 stop road trip in the country following the OBDII revised rest instructions in ALLDATA (i.e. accelerating maintaining speed and idling - 7 times according the the instructions for the M4.3 In the end the OBD2 reader was satisfied and I found no codes and no flashing icons. Just in case I cleared them three times in a row. Superstitious behavior but --- you can never be sure. So it now appears as far as the OBD2 system everything is a-ok.
At this stage I will try anything. Sure would be nice if it were the idle control hole. I have to admit I have not even looked at the throttle body. I will try a cold start with the gas peddle partially depressed - I assume just enough to open the butterfly - and see what happens.
Thanks again for the suggestion.
David
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