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One step colder spark plugs and ignition coils
Hey guys, I want to swap out my ignition coils as I'm not sure when the last time they were changed out 71k miles.
RealOEM shows two ignition coil part #s: 12138657273 & 12138616153 but I see reference to Bosch 00044X8 (BOS-0221504470) on forums. However I don't see the Bosch ones listed as interchangable with the real oem part # just want to make sure I'm not running sub par coils.
Im also running 3psi over stock boost....maybe I should use one step colder plugs...what are folks using?
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