Eureka! Tip of the hat to pshovest, this really fooled me with 2 coils going out at once. I swapped Coil 1 with Coil 4, and Coil 3 with Coil 6. Now I have misfire codes at cylinders 1 & 3, so apparently bad coils were at 4 & 6. The service manager I spoke with earlier today recommended to replace them all. So, I'm shopping! Thanks to all, you all helped to nudge me to this point. jfoj, I'm glad I have the OBD Fusion now, regardless, and my MAF would probably still be dangling loose if you hadn't noticed on the log.

ard, really insightful stuff on the acceleration/misfire stuff. Note that early on in this thread I was wondering exactly what misfire meant in terms of codes read. I didn't know if the code was triggered by the simple fact that no electrical spark was occurring, or if there could be spark but yet no combustion in the cylinder. Now I understand how the misfire code can mean no combustion, spark or no.

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2009 X5 3.0
2001 X5 4.4 - Sold