• 6 Posts
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Joined 2 years ago
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Cake day: June 12th, 2023

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  • Ideally. Depends on the update time too. I know flashing ECU tunes requires a battery topper. I’ve also killed a car battery modding my infotainments firmware so it’s totally possible. But most likely Subaru is doing it out of an abundance of caution… Don’t want an angry customer coming saying the update killed their battery