09-13-2023, 02:02 PM | #1 |
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Piggyback tune and spark plugs
Featured on BIMMERPOST.com I am currently running a BMS stage 1 tune. plug n play.. less than 500 miles on it. its time to change the spark plugs though, do I need to "upgrade" to a different set? thanks |
09-13-2023, 02:22 PM | #2 | |
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Drives: 2015 BMW 335i x-Drive Auto
Join Date: Oct 2017
Location: New Jersey/Philadelphia
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Quote:
Stock spark plugs and gap are usually perfect for Stage1, Stage2 tunes, etc. Only really aggressive engine mods and really high boost levels might change the cylinder environment enough to require a different plug or a different gap. A good mechanic can remove and “read” the appearance of the plug to know if it’s running efficiently or not. |
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09-13-2023, 03:05 PM | #3 |
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