Holy crap...talk about night and day difference! Baffle/restrictor plate vs. direct path straight into the turbo inlet.
Where are the MAFs on the S63? If they are the same part as on the N63 I wonder if it could be as easy as plug and play with a tune to match. That could be huge.
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2017 F-type SVR Black/black
2017 Nissan GTR Red/black
2022 BMW X5M MBB/SO
Gone but not forgotten: '12 X5M, '07 AM SuperVantage, '05 Boxster S, '01 BMW M3,...
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