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BMW 3-Series (E90 E92) Forum
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Good AFR but white plugs
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10-20-2018, 01:59 PM | #1 |
V8 Bait
206
Rep 769
Posts |
Good AFR but white plugs
I just took out all my NGK 5992 plugs and they all have a white coating on them, which indicates running lean. However all my logs put my WOT AFR between 11.8 and 12.5, and they have been consistent for months. Either its not a big deal, or my AFRs are lying and im actually running lean. Anyone ran across this issue?
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Broke AF
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10-20-2018, 05:51 PM | #2 |
Lieutenant
203
Rep 437
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your kidding right? asking a tuning question like this with no pics of said sparkplugs?
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