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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 > New for Procede: Dynamic Meth Targets firmware, maps and user software



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      03-13-2012, 07:15 PM   #23
Joshboody
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Looks great!

you state 5.32 I think in the readme, but mean 5.34? 5.34 is what rev2.5 guys should be using also? All custom tuning can be copied to the newer maps of course?

little concerned about the 15% overflow causing some complications... I can see about a 4 point swing sometimes depending on weather and water/meth mix. 25% would be better in my opinion.
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      03-13-2012, 07:17 PM   #24
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Originally Posted by Joshboody View Post
Looks great!

you state 5.32 I think, but mean 5.34? 5.34 is what rev2.5 guys should be using also? All custom tuning can be copied to the newer maps of course?

little concerned about the 15% overflow causing some complications... I can see about a 4 point swing sometimes depending on weather and water/meth mix. 25% would be better in my opinion.
Josh looking forward to your thoughts on these maps you always seem to have good input.
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      03-13-2012, 07:20 PM   #25
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Quote:
Originally Posted by Joshboody View Post
Looks great!

you state 5.32 I think in the readme, but mean 5.34? 5.34 is what rev2.5 guys should be using also? All custom tuning can be copied to the newer maps of course?

little concerned about the 15% overflow causing some complications... I can see about a 4 point swing sometimes depending on weather and water/meth mix. 25% would be better in my opinion.
You should be fine with a 15% overflow threshold. I run that with 4 nozzles which as twice as much temp induced variance than 2 nozzles and no false triggers. But in the next firmware update, you will be able to set your meth overflow threshold manually in the user adjustable menu.

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      03-13-2012, 07:36 PM   #26
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Originally Posted by shiv@vishnu View Post
Instead of waiting for meth to reach the flow target value (Injection Mode), the Procede will now fully transition to the aggressive map values by he time methanol flow reaches the methanol flow target.
Is this why it feels like torque comes in a little earlier? It is switching to the aggressive map sooner than before?
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      03-13-2012, 10:46 PM   #27
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from the readme: All aggressive maps are now officially approved for 91oct use.

so i can now use stage 1 for 91 octane?

edit: i got too excited to wait for an answer, so i tried it, drove it, love it. no single timing drop on a dozen full and partial throttle pulls. the beautiful green lights on partial throttle reminds me of christmas somehow.
now i need to explain to my wife why i went for a drive at 11pm on a tuesday and returned all smiley.

Last edited by 335okc; 03-14-2012 at 12:42 AM.. Reason: answered
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      03-13-2012, 11:22 PM   #28
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Perhaps I missed it --- but does it say what mods generally necessary to run each of the maps below? I've always just done a little datalogging to make sure I'm not getting any timing drop-outs, but a general direction would help.

Stg 0
Stg 1
Stg 2
Stg 3
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      03-13-2012, 11:31 PM   #29
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Anything for n55?

Wish I still had n54. Looks good
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      03-13-2012, 11:39 PM   #30
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Figured I'd ask here. Any reason at all for a non meth user running stage 2 to update to this 3-13 map from 11-25?
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      03-14-2012, 12:35 AM   #31
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Quote:
Originally Posted by 335iPSI View Post
Perhaps I missed it --- but does it say what mods generally necessary to run each of the maps below? I've always just done a little datalogging to make sure I'm not getting any timing drop-outs, but a general direction would help.

Stg 0
Stg 1
Stg 2
Stg 3
it's in the readme.
the readme is a pure technical document, a lot of info compressed into 2 pages. if you're not used to it, you might miss it. it's on the autotuning disabled paragraph.
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      03-14-2012, 12:36 AM   #32
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Quote:
Originally Posted by (-(ellblazer420 View Post
love the drift location. That traffic circle in the Mexican Country Club is a lot of fun!!!!!!
Lol. I know that exact location in Mexico. Wouldn't dare do that .... at least not in my AT.
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      03-14-2012, 12:40 AM   #33
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Quote:
Originally Posted by 335okc View Post
it's in the readme.
the readme is a pure technical document, a lot of info compressed into 2 pages. if you're not used to it, you might miss it. it's on the autotuning disabled paragraph.
Thanks --- I skipped a page when scrolling!
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      03-14-2012, 12:59 AM   #34
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Originally Posted by (-(ellblazer420 View Post
Is this why it feels like torque comes in a little earlier? It is switching to the aggressive map sooner than before?
Yes, with the Procede now recognizing variable meth targets, the transition to the aggressive map happens far more readily and earlier in the throttle. The goal was to make it always feel like you are running the aggressive meth map even when you aren't. The transition between the two map ranges should be that transparent. And since you (and others) noticed it enough to ask me without me even telling them we made a change, it must be

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      03-14-2012, 02:20 AM   #35
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Quote:
Originally Posted by shiv@vishnu View Post
Dynamic Methanol Flow Targets
Instead of waiting for meth to reach the flow target value (Injection Mode), the Procede will now fully transition to the aggressive map values by he time methanol flow reaches the methanol flow target. And instead of the flow target being the same as Injection mode, it is now corrected for Methanol Injector DC%. And this methanol flow target can be datalogged in Debug Byte 7. In the datalogs below, you can see this value change as a function of Methanol Injector DC%.
Just tried these. Awesome work Shiv! The dynamic meth flow targeting is amazing!

Quick but I'm sure easy question, how do you know what your max meth flow target should be? The way I understood it before was you datalogged to see what your methanol injection flow was and then in the user adjustables u changed the meth flow value a little lower than that value to reflect your particular car. Today I set the value at 30 and all my datalogs tonight reflect that by running the meth injection flow right at 30 or 31. I can see on ur datalogs that your running closer to 50. How can I figure out what my max meth flow is so I can properly set it in the user adjustables?
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      03-14-2012, 04:11 AM   #36
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Hi

for basic users the 3-13 maps are the same of 11-25 (iat boost etc etc)
correct ?
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      03-14-2012, 10:23 AM   #37
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These maps kick ASS ---
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      03-14-2012, 11:23 AM   #38
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Tried the maps yesterday and there’s definitely more power at part throttle… which is obvious. It’s very smooth, but I wouldn’t say smoother then before… each map will transition to a higher setting, but the newer maps raise the setpoint. BUT more part throttle power with NO loss in feel, smoothness is pretty cool!
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      03-14-2012, 03:17 PM   #39
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I must have been posted somewhere ...

... could someone please tell me how to datalog in order to confirm everything works fine with the Procede? Any link to any doc? Thanks in advance.

Cheers

BTW: My car is otherwise stock
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      03-14-2012, 03:26 PM   #40
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this stuff feels great!
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      03-14-2012, 03:36 PM   #41
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Great, the day Shiv releases new maps I run out of meth
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      03-14-2012, 03:52 PM   #42
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      03-14-2012, 04:35 PM   #43
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Quote:
Originally Posted by shiv@vishnu View Post
Shiv, how do we find the value for our max meth flow that we input into the user adjustables? What do I need to look at in my datalog?
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      03-14-2012, 04:54 PM   #44
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Originally Posted by BLKND335 View Post
Shiv, how do we find the value for our max meth flow that we input into the user adjustables? What do I need to look at in my datalog?
Just do a full throttle pull in say, 3rd gear. With all the aggressive maps, meth injector dc% climbs up to 100% DC at full boost above 4000rpm. So look at the flow value when this occurs. It will be pretty easy to see. Then take that value, subtract a couple of points and use that for the injection mode.

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