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BMWHaus Guru
INPA 'Rough' measurement & fault code 115
I suppose your right @[Gar], still it's something I'll be keeping an eye on.
Does anyone know exactly what is being measured in the rough test? Knock?
I hear a sticky lifter from time to time and my spidey senses tell me it must be at cylinder 4 hence the rough measurement.
Car runs very well at the moment and is returning excellent fuel economy.
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