Thread: Race Chip GTS
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      12-21-2020, 06:43 PM   #1
speedyman
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Drives: 2021 X5 M50i, 2016 Z06
Join Date: Sep 2019
Location: SW FL

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Race Chip GTS
Recently viewed a YouTube video where a 2020 M550i was dynoed stock and then immediately after installation of a Race Chip Black GTS.
530 stock and 593 after RC.
Is this 63 HP gain as expected?
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