Quote:
Originally Posted by Johnny335i
Hi all,
I've been having misfire issue with misfire in cylinder 1, 3 and random, so i changed all my plugs, coils, fuel injectors to index 12, intake vanos solenoid and had walnut blasting done 3000km ago. Since then I haven't got any misfire codes yet but i still feel a few misfire when I start the car after it has been sitting for a long period of time. Car will start normal, idle to normal and then I hear a misfire and revs up a bit from normal idle level but no misfire codes are thrown. Same as what everyone is experiencing in this thread.
Has anyone found the solution?
Please help,
Car - 2008 BMW 335i sedan with no modifications and has 134,000KM
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Without misfire codes, are you certain that's the issue? Perhaps your getting erratic fuel delivery related to 02 sensors?
Logging your car at idle MAY give you some clues...