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      05-30-2020, 03:21 PM   #4
Ajolives
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Drives: E90 M3
Join Date: Mar 2019
Location: Tampa

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2008 BMW M3  [0.00]
Rough idle & stalling with CEL

When my alternator first started going it would throw ABS, traction control, and other secondary system codes. I think it's the engine trying to stay alive by disconnecting "unnecessary" systems prior to stalling out. It happened once at a red light after an hr drive, again a month later randomly while driving, then one month later I started getting the battery discharge warnings, clock reset, etc. and then eventually stalled out while sitting at a red light and wouldn't start again.

100% anecdotal because I considered them flukes or quirks at first and didn't think much of it, but I think it was all connected. Just something to consider because I saw a couple of your codes are ABS, traction control, and TPMS if my google search is worth a damn.
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