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      05-14-2010, 06:02 PM   #895
MarvelPhx
www.my330i.com
United_States
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Drives: 08 335i
Join Date: Feb 2010
Location: Phoenix

iTrader: (0)

Have you checked your intercooler circulation? If the pump is not primed and coolant does not flow you will be down ~20-30whp which it seems this car is.

Also check and verify boost pressure as you may have a a leak somewhere.
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