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      01-06-2012, 10:59 AM   #16
Mike@N54Tuning.com
BimmerPost Supporting Vendor
Canada
2008
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38,192
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Drives: 2007 335i, 2015 M3
Join Date: Dec 2008
Location: N54tuning.com

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When tuned plugs should be replaced every 15-20K. Will solve a lot of headaches and its cheap to do if you can DIY. Just grab a spark plug socket and order some plugs and go for it. Your car will thank you.

Mike