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f10eugene · 06-10-2016, 09:52 AM

I would swap the coils to see if the misfire switches to a different cylinder.

I had both cylinder 1 and 5 coils go bad, then I just replaced all the coils and haven't had any issues.

I am running catless downpipes and BPM stage 2 tune.

06-10-2016, 09:52 AM	#11
f10eugene First Lieutenant 107 Rep 332 Posts Drives: 2013 BMW m5 Join Date: Aug 2015 Location: Chicago, IL iTrader: (1)	I would swap the coils to see if the misfire switches to a different cylinder. I had both cylinder 1 and 5 coils go bad, then I just replaced all the coils and haven't had any issues. I am running catless downpipes and BPM stage 2 tune.
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