Thread: What did you do to / for your E53 today??
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Old 06-09-2025, 01:13 AM
Salty B. Salty B. is offline
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Originally Posted by Salty B. View Post
Yep! OK I will see if it comes back... almost 200mi since and nope.
It came back.

Is it normal for one of the pre-cat sensors reading to jump all over from 0.09 to 0.72 and back? We looking at a failing O2 sensor?
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2001 E53 M54 5MT Oxford green over crusty black leather
2014 F30 N55 6MT mineral gray over red leather
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