+1 on 25K miles.
I recently started getting misfires on WOT in 2nd and 3rd between 4-5K rpms resulting in limp mode.
Swapped them out and problem went away. I was happy to see the old plugs wore well on all cylinders.
PROcede | AMS FMIC | AR Catless DPs | AR Oil Cooler | BMS DCI
Wavetrac LSD | KW V3 w/ Swift Springs | M3 Front Suspension