View Full Version : Which side for O2 sensor #2
12-12-2008, 02:54 PM
I have a 1221 code indicating O2 sensor #2.
Which side is this on a 1995 530it?
12-12-2008, 04:01 PM
The passenger side.
12-12-2008, 05:41 PM
Thanks for that info. I did make a mistake in that the 1221 code is for the #1 sensor which would be the drivers side. I always use #1 cylinder = driver side but didn't want to assume anything. Thanks for responding- much appreciated.
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