Yeah I changed all spark plugs less than a year ago, but might as well check them to see if there are any problems with it.
The n62 does not have DISA valve so we can rule that out.
Oxygen sensors have been changed but I had the same errors that another member had, misfire on 4,5 and 8. So I´m gonna re-check spark plugs and make sure that tey are fine.
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