Quote:
Originally Posted by Saif2018
I agree B58 coils are superior technically, but whether they translate into actual performance improvements or better longevity wise, that remains to be seen.
In my opinion coils failing at 40-60k miles is hardly an issue for us tinkerers who spend thousands on the car and other failure points.
I mean if someone does huge starship miles on their N54, then they should obviously look at longer lasting coils, otherwise for someone like me, I'm looking changing coils every 6 years or longer, hardly a concern for me.
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I agree it is a case by case evaluation.
There are applications where coil life is longer and ones where it is shorter.
If the S55 coils work well for you then that is great!
I won't deny that most of the things I do for my personal car are overkill for what I actually do with it.
-Rich
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2007 E70 X5 4.8i with 10" android screen Running 265/60/18 AT34s All Terrains (Mainly for road trips)
2008 E90 335i with 10" android screen, 7" intercooler, inlets, Dinan intake, JB4 BEF, E85 conversion, Mfactory LSD, M3 suspension, EDC shocks with custom controller.