Hi everyone,
I just wanted to share some developments to make it even easier to to use B58 spark plugs with this setup and to minimize the spring modifications.
I have added an option for the spark plug side of the spring to ensure that the B58 spark plugs are well centered.
A special set screw is simply screwed into the spring.
Here is a shot of the B58 plug contact with the new setup:
Here is the contact point from inside of the boot:
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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.