**First Time Tuners** Start Here** Official Misfire Thread| Updated!
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01-06-2012, 10:59 AM
BimmerPost Supporting Vendor
Drives: 2007 335i, 2015 M3
Join Date: Dec 2008
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.
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