Thread: Dinan Stage 2 550i vs. 2012 M5
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      12-28-2011, 06:55 AM   #26
alextremo
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Drives: F10 550i
Join Date: Sep 2008
Location: USA

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+1

I felt the change in power delivery immediately when pulling away from the dealership. It is a very noticeable improvement in first and second gear.
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