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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > PROcede Reader Software load index / boost



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      07-05-2007, 12:42 AM   #1
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PROcede Reader Software load index / boost

Hi

Yesterday I hooked on my laptop to perform some datalogging with the PROcede. The car runs perfect.

The only time the load index value is zero is when the engine is shut off. As soon as I start the engine, the load index jumps to ~38 ( engine is idling ). Anybody experienced the same ?

Boost: Is there a way to display boost in one of the 4 gauges ? I did'n investigate much in this, somebody knows ?

I use PROcede Reader 1.01 and the v1.47 map.

Appreciate your feedback.

Thank you,
Eugen
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      07-05-2007, 12:47 AM   #2
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IIRC you can see boost on the top right line.
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      07-05-2007, 12:49 AM   #3
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Quote:
Originally Posted by CEA 3 View Post
IIRC you can see boost on the top right line.
I know, it's hard to read while driving ...
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      07-05-2007, 12:50 AM   #4
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why is the load index during idle not being 0 a problem, the ecu is applying throttle, just not your foot
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      07-05-2007, 12:50 AM   #5
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Quote:
Originally Posted by eugen.niederreiter View Post
I know, it's hard to read while driving ...
ahhah true... you can logg it though. go data log and then click start log.... and then do a 3rd or 4th gear load and then pull over and click end logging...that way you dont have to stare at it while driving.

be safe!
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      07-05-2007, 12:54 AM   #6
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Quote:
Originally Posted by 533ogetnom View Post
why is the load index during idle not being 0 a problem, the ecu is applying throttle, just not your foot
I only want to know if this is normal. Anybody else hase the same behavoir / engine load index value when idling ?
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      07-05-2007, 01:00 AM   #7
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Quote:
Originally Posted by CEA 3 View Post
ahhah true... you can logg it though. go data log and then click start log.... and then do a 3rd or 4th gear load and then pull over and click end logging...that way you dont have to stare at it while driving.

be safe!
Thank you, I did so. I wanted to see the boost real-time in a gauge. If it's not possible, it's ok and I have to speed up to install my data logger. It will show the data real-time data on the laptop as well ( in a gauge ).
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      07-05-2007, 01:00 AM   #8
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oh... sorry. been a long day!
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      07-05-2007, 01:04 AM   #9
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Quote:
Originally Posted by CEA 3 View Post
oh... sorry. been a long day!
It seems that you logged data already as well. Do you remember the engine load when the engine was idling ( just to confirm that 38% is normal in this condition ) ?
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      07-05-2007, 01:11 AM   #10
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Quote:
Originally Posted by eugen.niederreiter View Post
It seems that you logged data already as well. Do you remember the engine load when the engine was idling ( just to confirm that 38% is normal in this condition ) ?
oh yea, it reads something really high... i think it even said 49 one time when i started it... and then it changes to like 14.7
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      07-05-2007, 01:15 AM   #11
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Quote:
Originally Posted by CEA 3 View Post
oh yea, it reads something really high... i think it even said 49 one time when i started it... and then it changes to like 14.7
Thank you. My engine load value never changed below 38%. Let's see if more ppl chime in.
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      07-05-2007, 01:16 AM   #12
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whiel driving or just at Idle it didnt change?

get sharewin to chime in...walked u.

ill tell him now.
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      07-05-2007, 01:21 AM   #13
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Quote:
Originally Posted by CEA 3 View Post
whiel driving or just at Idle it didnt change?

get sharewin to chime in...walked u.

ill tell him now.
It raises and drops during driving depending on how you drive but the baseline ( lowest value ) is 38% in my car ( engine is idling ). This seems to be a little high.
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      07-05-2007, 01:23 AM   #14
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Engine load is the pressure in the pre-throttle body intercooler tube. It will be around 40%, give or take a few points depending on air density/altitude. 40% is roughly 14.7psi of absolute pressure (0psi of boost).

shiv
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      07-05-2007, 01:24 AM   #15
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Its normal, changes with altitude.

I noticed tho, once I changed my exhaust and got rid of the stock exhaust and pluged up the rear vaccum line it read @ a lower #. Maybe its just me tho.
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      07-05-2007, 01:27 AM   #16
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Quote:
Originally Posted by shiv@vishnu View Post
Engine load is the pressure in the pre-throttle body intercooler tube. It will be around 40%, give or take a few points depending on air density/altitude. 40% is roughly 14.7psi of absolute pressure (0psi of boost).

shiv
Quote:
Originally Posted by Walked U View Post
Its normal, changes with altitude.

I noticed tho, nce I changed my exhaust tho and got rid of the stock exhaust and pluged up the rear vaccum line it read @ a lower #.
Thank you all. Good to know that everything is fine.

Cheers
Eugen
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      07-05-2007, 01:28 AM   #17
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Quote:
Originally Posted by eugen.niederreiter View Post
Hi

Yesterday I hooked on my laptop to perform some datalogging with the PROcede. The car runs perfect.

The only time the load index value is zero is when the engine is shut off. As soon as I start the engine, the load index jumps to ~38 ( engine is idling ). Anybody experienced the same ?

Boost: Is there a way to display boost in one of the 4 gauges ? I did'n investigate much in this, somebody knows ?

I use PROcede Reader 1.01 and the v1.47 map.

Appreciate your feedback.

Thank you,
Eugen
Prob just means 38% of 5v, or ~1.9v. It's a 0-5v map sensor. What does it say under WOT, around 70?
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      07-05-2007, 01:30 AM   #18
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Quote:
Originally Posted by Terry335 View Post
Prob just means 38% of 5v, or ~1.9v. It's a 0-5v map sensor. What does it say under WOT, around 70?
Yup, ive got up to 75 under WOT going uphill with v1.4
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      07-05-2007, 01:35 AM   #19
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Quote:
Originally Posted by Walked U View Post
Yup, ive got up to 75 under WOT going uphill with v1.4
Confirm. 73.9 @ 3680 rpm to be exact. My car has the PROcede installed, everything other is stock as of now.
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Last edited by e.n335; 07-05-2007 at 02:21 AM.
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