Thread: Which Sparkplugs? N55 (mods)
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      02-08-2019, 02:19 PM   #138
areohbeeM340i
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Drives: 2020 BMW M340i
Join Date: Sep 2015
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Do you need colder plugs for a Bootmod3 Stage 1 car? My car has close to 42k miles, all stock now, goin BM3 Stage 1/Charge Pipes soon
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