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      06-28-2011, 06:15 PM   #73
ACG
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Drives: 2006 M5
Join Date: Jun 2011
Location: CA

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Any explaination on why people saw a 10-15hp drop from what they dynoed before?

I sent my numbers to RPi and they were surprised to see me pull 437whp as they expected what you have noted as STD numbers of 448whp.
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