I had a bit of a time with my ESS Supercharger configuration
when I was attempting to change out my two oil separators which are in the vicinity of the plugs. The S/C had to be unbolted in order to remove the coil cover on the driver's side of my 2011 E92 M3 and some other ESS equipment had to be unbolted on the passenger side in order to slide its coil cover out of the way. I helped change a the plugs on an OEM 2010 E92 M3 last weekend and using CatV cable to pull the coils, we managed 1.75 hours start to finish which included 15 minutes of cool down (aided by an 8 inch fan pointed directly at the engine bay).
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