Quote:
Originally Posted by Gurjit
What does it meen when idle is intermitedly surging 10-20rpm slightly probly half the time once warm
and when u pull dipstick at idle the engine starts to run rough?
On a n62
I will pull my ccv diaphrams this weekend, it has been -5'C the last 2 weeks
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I believe pulling the dip stick can cause a vacuum leak. you shouldn't pull the dipstick with the engine running anyway.
N62 will almost never have a butter smooth idle. Call BMW and they will tell you the same. A 10-20 RPM fluctuation is not that bad.