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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 > Dyno Chart: Stock vs Rev II non-CAN 2/19 vs Rev II CAN 5/29



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      06-19-2009, 02:22 PM   #1
ericsmc83
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Blue Line (stock):
80.84 °F
30.06 in-Hg
35% humidity
280.59whp
289.47wtq


Red Line (PROcede Rev II non-CANbus 2/19 Stage 1 map):
63.57 °F
29.73 in-Hg
29% humidity
356.46whp
364.56wtq


Green Line (PROcede Rev II CANbus 5/29 Stage 1):
80.82 °F
29.82 in-Hg
31% humidity
353.32whp
356.20wtq



Besides the map and ambient conditions, everything else between the two is exactly the same:
* PROcede
* AE Quad Catless Exhaust
* Vishnu DCI
* Shell V-Power 92oct
* Same Dynojet dyno


Few things to note:
* CANbus run has a better AFR curve than non-CANbus run
* CANbus is running slightly lower boost than non-CANbus (about 0.5-0.75psi across the board)
* Car was very temperamental for the CANbus run. Was getting heat-soaked like no other so had to wait a long time between runs, otherwise I would lose a good chunk of power.


For some reason I can't get the boost curve to load on the graph. Boost is no longer an option for axis variables anymore with the new WinPEP software. Has anyone else experienced this?


All comments welcome!



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      06-19-2009, 02:40 PM   #2
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interesting results, im switching from rev 1 to rev 2 canbus, curious to see what happens with me.
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      06-19-2009, 02:49 PM   #3
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Ya CANBUS is apparently running a bit richer. The temps on CANBUS day were way hotter as well, humidity was even slightly higher. Weird thing is I thought higher temps usually meant leaner AFR's but either way both tunes look about the same to me power-wise (peak and delta).
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      06-19-2009, 03:29 PM   #4
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Looks like the extra 20 degree temps may have contributed to the lower power output. Nice dyno tho - when you getting DPs Eric?
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      06-19-2009, 04:16 PM   #5
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Nice data, thanks!

It's interesting that the power is about the same with that much less boost. It will be nice to see some maps released soon that use the canbus variables for performance adjustments.
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      06-19-2009, 04:48 PM   #6
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Quote:
Originally Posted by Septro View Post
Looks like the extra 20 degree temps may have contributed to the lower power output. Nice dyno tho - when you getting DPs Eric?
The temps were definitely a hindrance that day. One of my heat soaked runs netted about 30whp LOWER than this run. They let me wait on the dyno for a good 6-8 minutes while the car cooled off, then I pulled these numbers.

DP's are on the back burner for now. My priority is still a final drive swap at this point.

How OH treating you?


Quote:
Originally Posted by scottp999 View Post
Nice data, thanks!

It's interesting that the power is about the same with that much less boost. It will be nice to see some maps released soon that use the canbus variables for performance adjustments.
I agree, and also that the power is being delivered in a safer manner (richer AFR). One of my runs had an AFR below 12 after 6k RPM.

Overall I'm happy with the results.
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      06-19-2009, 08:47 PM   #7
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Quote:
Originally Posted by scottp999 View Post
It's interesting that the power is about the same with that much less boost.
I'd have to guess, less boost, but more fuel so similiar power output.
Graphs look nice and smooth.
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      06-19-2009, 11:42 PM   #8
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Quote:
Originally Posted by Driver72 View Post
I'd have to guess, less boost, but more fuel so similiar power output.
Graphs look nice and smooth.
richer often times means less power, but safer
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