Noob to the forum. Have an issue that I am trying to work through. Have had a 2012 625i for a couple of years now. Has run fantastic until recently (month or so ago). Starts fine and runs fine, just doesn't idle well at all. Surges, picks-up, almost stalls, surges again, etc. As soon as you give it some gas, takes off and runs no problem. It's just at idle. Have replaced the air filter, fuel filter and plugs. Plugs were black carbon fouled. No difference. Thought somebody else may have had the same issue. Any ideas. Thanks, Robert
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