For an X3MC that isn't tuned, what do you think is an ideal interval to change plugs at... ?
I'm still learning a lot about the new S58. The N55 in my E90 M-Sport has a BMW Stage 1 PPK installed from the dealer & the upgraded package came with a "change spark plugs every 45k" decal under the hood. Kind of as a dummy reminder, just in case I guess. LOL
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1998 E36 M3 - Totaled
2003 E39 M5 - Gone but not forgotten
2011 E90 335i M-Sport - Daily Driver
2017 F87 M2 - Sold & missed
2020 F97 X3 M Competition - Finally arrived ///
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