[Blubaron79]

Cross posting from general forum:

I am right at 89k miles. Had spark plugs changed for 2nd time 800 miles ago per maint. requirement. Change my oil every 7,500 miles, and had my intakes cleaned about 17k miles ago. (I also have the PPK1 softwate installed) I have noticed when my car is idling when warm or cold there is almost a slight 'shake' maybe once a minute or less, however the RPMs don't dip nor does the exauhst sound like the car is missing.

Could this be due to the recent spark plug change? I know the N54 never runs 100% smooth, but curious if anyone has any ideas what this may be. My dealer will never really look at anything unless it throws a code, and I have no check engine light. Any input would be appreciated!
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