Quote:
Originally Posted by The_Transporter
Any idea why sport mode helps? My 550 hasn't gone into limp mode but 3 times over the last 30k miles but it did rough idle before the injectors got swapped and now it may be coming back slowly or I'm being paranoid lol.
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I am not expert I think this is due to higher RPM
you will experience rough idle regardless of the car I think people just have higher expectations when it comes to BMW but it will happened regardless what kind of car you drive