F10 Discussion Anything and everything to do with the F10 5 Series. The F10 made it's debut in 2010 as a MY2011.

Rough idle just after coldstart...

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My Ride: F10
Model Year: 2010
Engine: N53B30
Default Rough idle just after coldstart...

... but after a couple of minutes it's running smooth. What could possibly be wrong? 😅

Vanos solenoid are replaced, so are one injector (leakage) and all the coils and sparkplugs. Disa valves sounds fine but I'm gonna remove the intake and check. Egr is unknown, so are the NOx. Possible carbon clogged intake valves.....
Please advise 😀
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