Thread: Cold start idle
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      05-19-2019, 10:21 AM   #2
M3anest
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Drives: 2013 M3 Alpine White
Join Date: Jun 2018
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Could be an idle control valve. I used to get this too when running 10w60 oil. I have noticed it go away after going 0w40. Not recommending any oil here but suggesting what worked for me. Changing my o2s this week!