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View Full Version : Stock M50 spark plugs have resistors?


Jon K
08-21-2006, 08:05 PM
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Bill R.
08-21-2006, 09:22 PM
end indicates resistor.





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Jon K
08-21-2006, 09:24 PM
Bill you wouldn't happen to know if the platinum, +2s (maybe thats what i have?) are resistor also do you?