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Old 01-18-2004, 04:27 AM   #13
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Join Date: Dec 1969
Location: Vancouver, BC, Canada
Posts: 1,990
My Ride: '01 330i
Originally Posted by vaio76109
Whats with the dip @4000rpm? Also do you have your stock rear end or a different gear ratio? What gear did u do this run in, 4th(1.00?)?
The dip is a result of the dual-stage intake manifold switching over.
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