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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 > SPX Tuning - N54 XI Dyno 452whp / 532wtq



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      08-03-2015, 06:35 PM   #23
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Every dyno is different. The only thing you should be comparing to a dyno sheet is the baseline and the final.
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      08-03-2015, 07:19 PM   #24
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Quote:
Originally Posted by csu87 View Post
Every dyno is different. The only thing you should be comparing to a dyno sheet is the baseline and the final.
I will probably go back and get a baseline
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      08-03-2015, 07:35 PM   #25
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Impressive numbers! Great selection of parts

We're thankful for the opportunity to be a part of your build!
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      08-03-2015, 07:39 PM   #26
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Impressive numbers! Great selection of parts

We're thankful for the opportunity to be a part of your build!
Thanks!
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      08-03-2015, 07:57 PM   #27
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I'll have back to back mhd 85 to spx 85 pulls by the end of the week
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      08-03-2015, 10:29 PM   #28
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Quote:
Originally Posted by torn08
I'll have back to back mhd 85 to spx 85 pulls by the end of the week
Don't forget a baseline!
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thanks to MGallop
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      08-04-2015, 05:56 PM   #29
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Updated the thread with the actual dyno sheet!
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      08-04-2015, 06:26 PM   #30
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You want to see stock, mhd 85 and spx 85?
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      08-04-2015, 07:00 PM   #31
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Except your tune is boosting blindly above the tmap sensor (pinned @ 21.5psi)... So, no it's not

Would the N20 TMAP change the 'boosting blindly' or do we have to have a piggyback for boost control/
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      08-04-2015, 07:52 PM   #32
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Quote:
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You want to see stock, mhd 85 and spx 85?
Yes all 3. Especially a stock baseline one since most posts here recently didn't provide that before changing to a tuned map.
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      08-04-2015, 08:09 PM   #33
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Would the N20 TMAP change the 'boosting blindly' or do we have to have a piggyback for boost control/
Boost resolution will deteriorate as you get closer to the TMAP limits, even with an N20 sensor the max boost that is visible is 23psi or so. Soon there will be 36psi boost control (I think this will require a piggyback unit that is a joint effort of Ken & Terry) - I assume it's a modified n20 sensor that manipulates the voltage along with a flash side change to support 30+ psi logging.

I prefer the jb4 for all of its extra features and safety, other than throttle behavior the jb4 is perfect to me.
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      08-04-2015, 08:31 PM   #34
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The throttle control with jb4 just has to be fixed its nearly impossible to be smooth higher in the rpm range, your either 100% throttle or none basically it's nearly impossible to part throttle without jerking around and can be down right dangerous trying to control it in a turn in 2nd gear
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      08-04-2015, 10:29 PM   #35
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Quote:
Originally Posted by matthewo
The throttle control with jb4 just has to be fixed its nearly impossible to be smooth higher in the rpm range, your either 100% throttle or none basically it's nearly impossible to part throttle without jerking around and can be down right dangerous trying to control it in a turn in 2nd gear
Yes, I'm working with Terry to get this worked on. Fud96 will report actual boost to the DME up to 60% throttle and may help. I didn't have too many issues with it at the track but it's suboptimal for sure. Not sure why it's so tough, might be throwing a standalone map on the car for the track this weekend.
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      08-04-2015, 11:04 PM   #36
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I really do not want to go stand alone, I kinda like all the jb4 features like the gauges and startup delay and boost map switching.
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      08-05-2015, 12:29 AM   #37
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Quote:
Originally Posted by matthewo
I really do not want to go stand alone, I kinda like all the jb4 features like the gauges and startup delay and boost map switching.
Agreed, just need the pedal to throttle mapping fixed and I'm happy. If we can get the jb4 as smooth as MHD on partial throttle response I'll be a happy camper.
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      08-05-2015, 08:46 AM   #38
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agreed, did you have any luck with throttle angle aggression in overload, I see big difference between say a BMS backend flash and the stock BIN starting at around 4000rpms. The table looks like if you changed it, it would fix the problem(due to the values and how they seem to correspond to the issue), but I remember reading somewhere that your tired it and it didn't help, and I believe I even tried it once.

Did you ever try that table along with FUD96, I guess basically everything has been tried, and for some reason JB4 still gets involved.

I guess without truly having complete knowledge of every value in the DME and finding a way to program the DME itself to use RAM to store temp values that can be changed, somewhat like the piggy backs do, I will stick with a piggy back.

I think if BMS released say a JB4 PRO or JB5 that allowed for multiple timing maps and much more user defined options available to each individual map then they would sell like hot cakes.

I think in due time, if this platform continues to have support then I am sure this along with other options will come, I feel we are still in the infancy of what can truly be done on this platform, I feel there is tons of headroom with out going to stand alone as other platforms would require.

Just think, if we could have a piggyback, that along with a DME Bin, would allow for Ethanol sensor that reads ethanol content then uses a scalar set within a piggyback program setting to adjust fuel scalar and timing tables, somewhat like how Proceed did with timing, using the Flash as the base, then using the piggyback to add or subtract user defined timing values bases on RPM and Load. That along with more customizable Maps that are switchable via steering wheel controls like we do currently. Add to that tweaking of the N20 Map sensor, or even use of a different one for correct readings with lots of headroom.

I think the possibilities are there for all these things and more, just takes the correct people who know what they are doing and the time to develop them. good thing is companies keep making new parts and turbo kits for this platform so I believe the need is there.
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      08-05-2015, 09:12 AM   #39
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Quote:
Originally Posted by spxxx View Post
Except your tune is boosting blindly above the tmap sensor (pinned @ 21.5psi)... So, no it's not
Yours is @ 21.6
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      08-05-2015, 09:22 AM   #40
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Quote:
Originally Posted by jippii ensio View Post
Yours is @ 21.6
If you cant tell the differences in the way the boost is, then please do not tune your car yourself.
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      08-17-2015, 01:00 AM   #41
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other folks running these maps, post your dynos... this is fun
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      08-17-2015, 09:13 AM   #42
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Quote:
Originally Posted by torn08
I'll have back to back mhd 85 to spx 85 pulls by the end of the week
Have you posted anything yet? Those numbers are awesome OP!
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      08-17-2015, 09:28 AM   #43
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No, I made a mistake at the pump and put too much 93. In before the e85 will be done this week though
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      08-17-2015, 10:22 AM   #44
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Quote:
Originally Posted by torn08 View Post
No, I made a mistake at the pump and put too much 93. In before the e85 will be done this week though
Exactly the reason I always fill up with E85 first, then the rest with 93
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