BMW M3 Forum (E90 E92) - View Single Post

Archiebabes · 05-17-2012, 12:15 PM

Did you replace both of your upstream 02 sensors?

If you only replaced one then it will still throw the code.

When you pulled the codes it says X2 so you will have to replace both upstream 02 sensors.

05-17-2012, 12:15 PM	#25
Archiebabes Major 394 Rep 1,073 Posts Drives: F90 M5, Huracan EVO, R35 GTR Join Date: Jul 2011 Location: Van Nuys, CA iTrader: (14)	Did you replace both of your upstream 02 sensors? If you only replaced one then it will still throw the code. When you pulled the codes it says X2 so you will have to replace both upstream 02 sensors.
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