Yeah, hope that fixes it for you, it seems like a bit of a witch hunt to eliminate that code.

Just sort of a disconnect for me that an idle control component would cause an SES at high speed, that would not be the first place I would be looking.

+1 to E46fanatics and Al Gore!

Maybe take a look at your intake boot while you're at it, the last time I was poking around there I noticed it was all cracked. Lots of anecdotes on- line that they like to start cracking at the folds.

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04 X5 3.0i auto
03 X5 4.6is