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      01-29-2014, 01:09 PM   #9
tinman831
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Drives: M3
Join Date: Oct 2013
Location: DFW

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OP, check the DIY thread on changing them. Changing the spark plugs is very easy, even for an amateur mechanic. All it'll cost you is just under $100 bucks for the spark plugs and less than two hours (conservatively) of your time on the weekend.
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