BMW M3 Forum (E90 E92) - View Single Post

m3peat · 02-17-2021, 11:30 AM

My alternator failed after 10 yrs/124k miles and took the battery with it. Had to replace both and it’s been fine since for 2.5 yrs.
so yes, it could be your alternator that is failing. Did you check for codes?

02-17-2021, 11:30 AM	#2
m3peat First Lieutenant 81 Rep 385 Posts Drives: 2009 E90 M3 Join Date: Nov 2009 Location: Burbank, CA iTrader: (1)	My alternator failed after 10 yrs/124k miles and took the battery with it. Had to replace both and it’s been fine since for 2.5 yrs. so yes, it could be your alternator that is failing. Did you check for codes?
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