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      01-30-2013, 06:13 AM   #31
hugehead
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Drives: E90 M3
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Quote:
Originally Posted by Sean05 View Post
WOW... on a sparkplug its not going to change anything... change it every 30k... even guys that tracks constantly dont replace it that often..

ah that makes sense as well ...but in my case that another 4 years till its needs changing !! is that wise ?