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      01-06-2021, 12:11 PM   #6
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Drives: F21 118i
Join Date: Oct 2014
Location: Undisclosed

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Can it be the turbo valve is failing under pressure (and you release the burden with the clutch)?

https://www.forgemotorsport.co.uk/At...uct--1863.html

https://f20.1addicts.com/forums/show....php?t=1514348

https://f20.1addicts.com/forums/show....php?t=1446688
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