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You may. They are only better in longevity. Replacing plugs every year can wear on the plug threads in the head more. Personally I dont care. I prefer to replace plugs more often since inspecting them can tell a story. But if you are not into replacing plugs every year or so, go platinum, etc. for longer life.
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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car
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