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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 > All COBB Tuning AccessPORT Flash for N54 335i Discussion Here



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      03-22-2013, 11:44 AM   #7085
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Quote:
Originally Posted by 335iRlz View Post
Why would you want to boost a cold engine if you don't mind me asking
i dont. I was just checking if the safety feature is in place. I always wait until temps are atleast 230-240 or so.
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      03-22-2013, 11:49 AM   #7086
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Quote:
Originally Posted by 335iRlz View Post
Why would you want to boost a cold engine if you don't mind me asking
Maybe he meant to ask if it has something in place to stop boost from building until oil temps are at a certain point. AFAIK there isn't, you just have to make a conscience effort to not drive hard until the engine is warm.
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      03-22-2013, 11:51 AM   #7087
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Quote:
Originally Posted by TT3 iN NyC View Post
i dont. I was just checking if the safety feature is in place. I always wait until temps are atleast 230-240 or so.
I've found my temps rise much quicker than when I was stock. So it should help if you are running a tune.
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      03-22-2013, 11:14 PM   #7088
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Any word on

1) On-the-fly map-switching
2) NLS

??
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      03-23-2013, 12:15 AM   #7089
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Quote:
Originally Posted by TT3 iN NyC View Post
i dont. I was just checking if the safety feature is in place. I always wait until temps are atleast 230-240 or so.
If you wanted to you could use ATR to limit targeted load until the engine comes up to temp.
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      03-23-2013, 01:59 AM   #7090
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Quote:
Originally Posted by nema
Quote:
Originally Posted by TT3 iN NyC View Post
i dont. I was just checking if the safety feature is in place. I always wait until temps are atleast 230-240 or so.
If you wanted to you could use ATR to limit targeted load until the engine comes up to temp.
Thanks. In a month or so, I'll have it protuned.
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      03-23-2013, 09:06 AM   #7091
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Lol this might be a dumb question but I'm not sure which stage to run. 2 or 2+?

I upload a stage 2+ and boost ramped up to 19.5 psi on stock turbos, no meth, no eXX gas either. Isn't that a bit too much? Don't want to blow them.
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      03-23-2013, 09:25 AM   #7092
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Quote:
Originally Posted by TT3 iN NyC View Post
Lol this might be a dumb question but I'm not sure which stage to run. 2 or 2+?

I upload a stage 2+ and boost ramped up to 19.5 psi on stock turbos, no meth, no eXX gas either. Isn't that a bit too much? Don't want to blow them.
you should be fine. thats peak boost, it should taper down.
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      03-23-2013, 11:07 AM   #7093
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Quote:
Originally Posted by TT3 iN NyC View Post
Lol this might be a dumb question but I'm not sure which stage to run. 2 or 2+?

I upload a stage 2+ and boost ramped up to 19.5 psi on stock turbos, no meth, no eXX gas either. Isn't that a bit too much? Don't want to blow them.
So long as it's tapering at higher rpms, you're OK with that in the midrange. 19.5psi sounds about right for Stg2+ aggressive, my last log showed 18.7 peak and that was in fairly cold weather, so it didn't have to larget as aggressively.
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      03-23-2013, 12:17 PM   #7094
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I've never seen boost higher than 18.5 psi on S2+ Aggressive. Are you S2+ guys running E30 maps? I think 18.5 psi is the boost cap enforced by Cobb on S2+ maps.
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      03-23-2013, 01:17 PM   #7095
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Quote:
Originally Posted by vasillalov
I've never seen boost higher than 18.5 psi on S2+ Aggressive. Are you S2+ guys running E30 maps? I think 18.5 psi is the boost cap enforced by Cobb on S2+ maps.
I got the unit yesterday and loaded what was preprogrammed in there.

Was not a race map for sure
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      03-23-2013, 01:23 PM   #7096
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Quote:
Originally Posted by vasillalov View Post
I've never seen boost higher than 18.5 psi on S2+ Aggressive. Are you S2+ guys running E30 maps? I think 18.5 psi is the boost cap enforced by Cobb on S2+ maps.
It could be a spike during a throttle closure or it could be they are really close to sea level. The DME will allow more boost the lower your DA(it's a 1.28bar pressure cap, not a ~18.5psi cap.)
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      03-26-2013, 07:43 AM   #7097
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My turn for a log review! 1st attempt at doing a proper WOT log from sitting around 2500rpm in 3rd, logging, and redlining through 4th.



I'm also providing the 2 .csv files for further diagnosis. The only picture is for the 1st pull not the 2nd.

https://dl.dropbox.com/u/45967619/da...T3-4_First.csv

https://dl.dropbox.com/u/45967619/da...3-4_Second.csv

Let me know what you guys see. Running 93octane on an 09' e90 w/ Stg1 aggressive ST/LT (have flipped between both). Currently set to LT during logs.
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      03-26-2013, 09:11 AM   #7098
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Quote:
Originally Posted by Greatdane84 View Post
My turn for a log review! 1st attempt at doing a proper WOT log from sitting around 2500rpm in 3rd, logging, and redlining through 4th.

I'm also providing the 2 .csv files for further diagnosis. The only picture is for the 1st pull not the 2nd.

https://dl.dropbox.com/u/45967619/da...T3-4_First.csv

https://dl.dropbox.com/u/45967619/da...3-4_Second.csv

Let me know what you guys see. Running 93octane on an 09' e90 w/ Stg1 aggressive ST/LT (have flipped between both). Currently set to LT during logs.
I am not seeing the proper log, at least the picture. I haven't seen the attachments yet. Based upon your pedal pos. Are you AT?
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      03-26-2013, 10:33 AM   #7099
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I see you have some minor corrections on cylinder 1 and 4, I think that's normal but let the experts answer. I have another question your log shows negative PSI when you not pressing on the gas my logs weirdly show -0.06 at max where they should be like yours. Anyone knows why I do not see negative PSI, like -11.0, is it because of diverter valves, or a glitch?

My last log with stage-1+FMC Sport with Stock Throttle

https://www.dropbox.com/s/1n6p69h0do...C-sport-ST.csv

Oh ya I'm running the latest firmware and 4.02 map ^^^^^^^^
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      03-26-2013, 10:42 AM   #7100
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Quote:
Originally Posted by VNeBLOB42
Quote:
Originally Posted by Greatdane84 View Post
My turn for a log review! 1st attempt at doing a proper WOT log from sitting around 2500rpm in 3rd, logging, and redlining through 4th.

I'm also providing the 2 .csv files for further diagnosis. The only picture is for the 1st pull not the 2nd.

https://dl.dropbox.com/u/45967619/da...T3-4_First.csv

https://dl.dropbox.com/u/45967619/da...3-4_Second.csv

Let me know what you guys see. Running 93octane on an 09' e90 w/ Stg1 aggressive ST/LT (have flipped between both). Currently set to LT during logs.
I am not seeing the proper log, at least the picture. I haven't seen the attachments yet. Based upon your pedal pos. Are you AT?
It's 6AT and I have dtc/dsc disabled and in DS mode
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      03-26-2013, 10:52 AM   #7101
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Iím seeing the log starting at nearly 4K rpms, which is higher than youíd like, so Iím only commenting on the 4K-redline part of the pullÖ.But what data there is looks fine. You have some minor corrections going on but I wouldnít consider them to be particularly significant, and timing builds nicely to the gear shift. AFRs look good, your boost is hitting targets, so thatís all solid. Try to capture a better log next time, and donít worry about logging a bunch of shifts, a good 3rd gear pull is what you want. Also, check out how hard your OE intercooler is failing at restraining charge temps, starting charge temps of nearly 100 deg climbing to 140 after a bit of aggressive driving. It would be extremely wise to get an intercooler as your next mod, the stock intercooler will get abused in FL summers Iíd imagine. And you can go to the 1+ maps, which are pretty sweet.
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      03-26-2013, 11:17 AM   #7102
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Quote:
Originally Posted by Greatdane84 View Post
My turn for a log review! 1st attempt at doing a proper WOT log from sitting around 2500rpm in 3rd, logging, and redlining through 4th.

I'm also providing the 2 .csv files for further diagnosis. The only picture is for the 1st pull not the 2nd.

Let me know what you guys see. Running 93octane on an 09' e90 w/ Stg1 aggressive ST/LT (have flipped between both). Currently set to LT during logs.
Those IAT temp are high. You need a FMIC badly..
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      03-26-2013, 12:36 PM   #7103
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Crap - do I have a boost leak? It's been like this since stock no mods except cobb. These logs are from Stage 1 + FMIC Sport Stock Throttle MAP 4.02.

Here is screen shot of no throttle, shouldn't boost be like -12.0?
MAP: Stg1+FMIC ST Sport IJE0S v402
Stock Throttle


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      03-26-2013, 01:25 PM   #7104
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Great to hear! I'm actually purchasing an IC with my tax return. Told the fiancé yesterday! She can't say no cause we ain't married yet. I got until November! Haha
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      03-26-2013, 02:24 PM   #7105
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Quote:
Originally Posted by Greatdane84 View Post
Great to hear! I'm actually purchasing an IC with my tax return. Told the fiancé yesterday! She can't say no cause we ain't married yet. I got until November! Haha
better buy vargas stage 3
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      03-26-2013, 02:52 PM   #7106
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Quote:
Originally Posted by labedra View Post
Crap - do I have a boost leak? It's been like this since stock no mods except cobb. These logs are from Stage 1 + FMIC Sport Stock Throttle MAP 4.02.

Here is screen shot of no throttle, shouldn't boost be like -12.0?
MAP: Stg1+FMIC ST Sport IJE0S v402
Stock Throttle
if you had a boost leak, more than likely your would throw a code P30FF.

i always have -x.xx boost before going WOT, its pretty normal when APP is at 0 and cruising low RPMs.

read this thread:

http://www.e90post.com/forums/showthread.php?t=696472
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