Should I request the dealer to change spark plugs on 335i?
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09-19-2012, 08:48 PM
Drives: 4.5L supercharged stroker E92
Join Date: Nov 2008
plug 6 can be a prick when tuned.
I'd change them, but the stealers here would charge about $80-100 a plug when you can buy them online for about $12ea. You need a special socket to DIY though. I have one lying around if you need it
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