6Post.com | BMW 6-Series Forum - View Single Post - Any "how to's" about replacing an aft O2 Sensor?

Walt White Coupe · 10-04-2021, 01:34 PM

There was absolutely no operational indication that the O2 sensor was bad. It was only through the Carly fault reader that I found out about it. And it was quite a while before the check engine light came on after I knew there was an issue.

10-04-2021, 01:34 PM	#6
Walt White Coupe Captain 222 Rep 738 Posts Drives: 2013 650ix Coupe, 23 C8 Vette Join Date: Mar 2011 Location: Phila, PA iTrader: (0)	There was absolutely no operational indication that the O2 sensor was bad. It was only through the Carly fault reader that I found out about it. And it was quite a while before the check engine light came on after I knew there was an issue.
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