Quote:
Originally Posted by ab987
Thanks for stopping by Rich. Doesn't every B58 kit require modification to the coil springs and boot at minimum? That's my biggest worry, should a B58 fail I don't want warranty to be out of the question anyways because of modifications to the coil.
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As for the warranty I think that depends on interpretation. Really running any coil with higher that stock power levels and non stock spark plug configurations probably technically voids the warranty. In the purest sense running an S55 coil on a modified N54 is no different, it isn't being used in the original intended application so is there a warranty on that?
One could put a stock non modified B58 boot back on a coil to return it but the ethics of that are probably questionable.
The B58 coils are ~$30-35 each from many suppliers. If running a modified car that probably isn't a huge part of the budget of doing so if one had to be replaced outside of warranty. This is especially true if they do last longer than the S55 eldors.
On the related note of replacing a coil:
The boots are designed to be replaceable on the B58 coils so the inverse is also true.
Once modified the boot can be directly swapped between an old and new B58 coil in seconds.
-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.