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      10-29-2021, 11:40 PM   #7
DenverSteve
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Drives: 2021 BMW
Join Date: Jul 2021
Location: Denver / L.A.

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I have found no need for additives if you're using quality gasoline of the proper octane. But, like Marc posted, at 100k miles, there's a lot of "routine-maintenance" that has been, or is, recommended.
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