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      03-24-2022, 06:23 PM   #23
Redd
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Drives: 2010 BMW E92 M3 Dakar Edition
Join Date: Jul 2015
Location: Malaysia

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There is no carbon or oil buildup issue with the S65. Last year I installed a new CF plenum and when I inspected the old plenum there was a very very light sheen of oil inside only (sticky more than oily). Just use premium fuels and don't worry about it.
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