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      11-12-2020, 08:48 AM   #25
Rjrzwhips
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Drives: 2013 BMW M5
Join Date: Jul 2019
Location: Los Angeles

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Check the voltage of your battery. My symptoms were similar to yours. I would start the engine and it would run normal for a few seconds then the idle would start to surge. I disconnected the battery and charged it which took a few hours. The idle was normal after the charge.
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