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I have a new list of error codes, this time including three…

Customer Question
Hi, I have a new...
Hi, I have a new list of error codes, this time including three cylinder misfires, and my check engine light is on... 002DED & 002A43 & 002C7E again.The new ones are:
0029CD (Misfire detection cylinder 1 in 1 firing order)
0029CE (Misfire detection cylinder 2 in 4 firing order)
0029CF (Misfire detection cylinder 3 in 2 firing order)
0029CC (Misfire detection error summation)It's been running great the last two days, not a hint of anything wrong, and then this morning the check engine light came on and it started running horribly (obviously).You had mentioned before that you'd want to see input/output data while it was running? Which items specifically would you want to look at? I have Carly on a tablet for it, so I can get info (But only 6 data points at a time)...
Submitted: 7 months ago.Category: BMW
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Customer reply replied 7 months ago
Oops, missed a code down the page a bit:
00E18D (CCC Message Failure)
Answered in 1 hour by:
1/5/2018
BMW Mechanic: Steve, BMW Expert replied 7 months ago
Steve
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BMW Mechanic: Steve, BMW Expert replied 7 months ago

what has been checked so far?

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Customer reply replied 7 months ago
Well, last time I was messaging you (Tuesday), the car had overheated & was idling rough (was running fine in gear), and I replaced the temp sensor & ran the air purge cycle on the water pump, and the car suddenly ran fine again.So, today all I've done was try to drive to work, turn around and limp home when the engine light came on, and pull those codes. (I got a ride to my office, so I'm unable to do anything more with it until this evening.)
BMW Mechanic: Steve, BMW Expert replied 7 months ago

so now all you have is misfires? has anything been changed?

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Customer reply replied 7 months ago
I included all the error codes in the first message... 002DED & 002A43 & 002C7E were present last time. The misfires are new, and I'm not sure about 00E18D (CCC Message Failure).I picked up spark plugs & coils last night. Figured I'd change the plugs, check how it's running, and if it's still terrible I'd swap a coil between a 'good' cylinder & a misfiring one, and see if the misfire follows the coil or not.If it does, I'll change out the coils. If not, I don't know what I'll check next.
BMW Mechanic: Steve, BMW Expert replied 7 months ago

please let me know what happens after you change plugs and coils.

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Customer reply replied 7 months ago
Will do.
BMW Mechanic: Steve, BMW Expert replied 7 months ago
Ok
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