B48 stutters

_Brian · 04-25-2024, 02:32 PM

Does anyone have any experience with b48 stuttering between over 1500 afterstart?
Manual transmission
Happens with engine cold and warm.
Bimmerlink misfire counter go to 1 sometimes on all cylinders, mostly on deceleration.
Spark plugs already replaced.
No DTC's.

Shirazkhan · 04-25-2024, 05:54 PM

No dtc on bimmerlink?Need a proper scan tool,or ista.

_Brian · 04-26-2024, 02:58 AM

Quote:

Originally Posted by Shirazkhan

No dtc on bimmerlink?Need a proper scan tool,or ista.

No, this morning noticed "rough running" goes from -14 to +14 on some cylinders.
But no misfires on counter

04-25-2024, 02:32 PM	#1
_Brian Registered 2 Rep 4 Posts Drives: Bmw f31 320i Join Date: Jul 2023 Location: Belgium iTrader: (0)	B48 stutters Does anyone have any experience with b48 stuttering between over 1500 afterstart? Manual transmission Happens with engine cold and warm. Bimmerlink misfire counter go to 1 sometimes on all cylinders, mostly on deceleration. Spark plugs already replaced. No DTC's.
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04-25-2024, 05:54 PM	#2
Shirazkhan Private First Class 28 Rep 112 Posts Drives: bmw Join Date: Jan 2021 Location: South africa iTrader: (0)	No dtc on bimmerlink?Need a proper scan tool,or ista.
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