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For those of you who flashed to BM3, did you change your spark plugs? If so, did you keep the same gap or go 1 step colder?
My X5 has 48k miles and I don't believe the plugs have ever been changed.
Thanks!
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Present: 2021 BMW M340i Mineral White
Past: 2018 BMW X5 Mineral White, 2018 BMW 340i Alpine White, 2016 BMW F15 X5 xDrive / Glacier Silver, 2011 BMW 335xi / Alpine White, 2008 BMW 135i Sedona Red
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