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      11-19-2023, 05:30 PM   #8
Redd
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Drives: 2010 BMW E92 M3 Dakar Edition
Join Date: Jul 2015
Location: Malaysia

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Replied to your PM. Remove the plenum and drive without it. Car will drive just fine in alpha-n mode. If the issue is gone then it's something with the plenum. It sounds like a vacuum leak to me.
Appreciate 2