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      05-17-2012, 12:32 PM   #26
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Drives: 2018 F80 M3
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Quote:
Originally Posted by Archiebabes View Post
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.
Well it said bank 2 so I thought that I would only need to replace one. I can't see why they would always both go bad at the same time either.

Also thought the x2 meant the code occurred twice. Is this incorrect?
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