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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications 550i Boost
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      06-25-2011, 10:20 PM   #1
Edman951
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550i Boost

I wonder if there is a way to see the boost on our cars w/o an external gauge?

Maybe with the OBD2 using this tool?
http://www.ot-2.com/overview.html
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      07-03-2011, 10:52 PM   #2
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Well i bought the OT-2 from innovate motorsports and tried it this weekend.
Work good, got to datalog a few things.
Did some test, and can read, RPM, speed, intake air temp, fuel pressure, MAP, and lost more.
Good log data with 1/4 mile data
But cant figure out the correct value for the MAP sensor output.
As the output is in kpa and the reading is always in the positive, yet should be in vacuum on idle. and the peak value is 120kpa = 17.4psi. Seems way to high.
Considering Dinan says on there website that stock boost is 9.8psi.
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