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Rough idle is back even though I just did plugs 20k ago

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Rough idle is back even though I just did plugs 20k ago
gracielaweightman Offline
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#4
07-29-2026, 07:47 AM
B48 is not particularly brand sensitive between NGK and Bosch as long as the spec matches exactly. The correct part number matters far more than the brand, and gapping needs to match BMW specification rather than whatever the box states as the default.
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RE: Rough idle is back even though I just did plugs 20k ago - by gracielaweightman - 07-29-2026, 07:47 AM

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