Quote:
Originally Posted by schriss
I don't think it's a battery, if it needed to save some data for power-loss situation thats done with eproms I think.
I might put loads of silicon grease on my NOXEM when we install it It does seem like it's closed shut for good, can't even see any gap between plastic and metal.
Re original NOX sensors they just last for a given mileage, like 100k. Sensor is the problem, not electronics, sensor simply clogs up more and more, or so I read. Mine is like that. INPA shows Offset value outside of range. Also it reports over 200ppm of nox when driving, not sure if that's supposed to be so much.
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My 330i only has 43k miles yet the original nox has failed already! Some last upwards of 100k yet others like mine with only 1 previous owner has failed already