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      01-30-2023, 05:56 AM   #18
lenabos
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Drives: 2015 BMW M4 (F82)
Join Date: Apr 2021
Location: Bedfordshire, UK

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2015 BMW M4  [0.00]
You won't need to change it unless you are making the sort of power/torque that requires a turbo upgrade. This is my conclusion after hours of prowling through forums of owners, from those that spun in stock and those running 500-550whp without the fix. It's all about your risk tolerance. Are you feeling lucky?
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