Thread: Spark Plugs, 45k or 100K?
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      11-09-2012, 06:52 PM   #12
SfValley335i
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Drives: Current:135i Sold:335i sedan
Join Date: Mar 2007
Location: City of Angels

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I just changed mine at 30k miles, stock tune until now. Cheap investment. I have the spark plug tool if your interested in buying PM me.
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