Intermittent misfires - Page 2 - BMW M5 Forum and M6 Forums
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post #11 of 11 Old 13th May 2019, 07:48 PM
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I had a roaming misfire which would come and go randomly. Ended up 99% sure being an idle air actuator slipping to much O2 in at idle. Ended up replacing the throttle actuators too while I was in there since my mileage was over 100K and I didn't want to mess with the getting the plenum off and on again. Those throttle bodies closest to the fire wall can suck a fat one.

07 6 speed E60 M5
12 6 speed E93 M3
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