Originally Posted by Lankster
Search... I made a poll about this months ago
If this is the posting you're talking about then I don't think it answers OP's question: http://www.e90post.com/forums/showthread.php?t=770612
He/she seems to want people to describe what symptoms they were having before the cleaning but the most everyone on that thread seems to be say is that the idle is better without much description on what was going on before.