raudiace4
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Mar 25, 2026
- Join DateJun 2014
- LocationIL
- Posts:1,580
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- Vehicle(s) I drive19 E63s, 23 M3 compX, B9 SQ5
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Anyone replaced their OEM spark plugs yet? Currently at 17K miles, not having any issues, but I am tuned Stage 2 for little over 3K miles now.
What mileage/interval have you replaced yours? If tuned, did you go a step colder?
What mileage/interval have you replaced yours? If tuned, did you go a step colder?
