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      11-04-2012, 08:11 AM   #5
lfelunden
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Drives: BMW M5 F10
Join Date: Aug 2011
Location: German Autobahn

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I've looked on several kits out there, it seems like ESS is the only without upgraded spark plugs am I right ? (I've looked on G-power, ESS, AA and VF).
Any ESS user who can tell me how often those spark plugs should be replaced ?