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      07-22-2019, 01:04 PM   #8
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Drives: 2007 e92 335i / 2013 F30 328
Join Date: Sep 2013
Location: Las Vegas

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Originally Posted by Jkurahara View Post
I seem to have fouled a plug at a track event today, having issues with cyl 3 misfiring. Started off really shutting and thrower a soft code. Over time got way better and no more codes but can feel some shuddering.

Iím just running stage1 93 with 94 oct gas and upgraded charge pipes intercooler and downpipe.

What plugs are recommended and what are they recommended being gapped to?
I recommend NGK colder plugs but they are currently on back order. Check with PTF on what other plugs they recommend