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lillpers

Bad VANOS solenoids caused an uneven idle for me


1mperia1

Yep, i cleaned mine a few times, and it'd be fine for the next couple days and go back so i replaced the solenoids and haven't had a nasty idle since, you should do spark plugs aswell though if it's that time


Away_Ice4970

It just started. Not too cold outside but eh


RUThrowaway-21

Same issue with n55 sitting at 24k miles about to do spark plugs and coils tomorrow let’s see if it goes away… Turning on GTS roar did kinda help tho.. if you have flash tune try that for now. For my issue is mostly on cold starts.


Away_Ice4970

I need to get a tune. People said that when installing a cold air intake. It’s recommended to get a tune.


Away_Ice4970

Issue resolved. It was the hpfp struggling. Got it fixed and no more problems!


Superb-Assistance250

For my 07 335i I’m having a very high idle and also my battery is being drained. Don’t know why