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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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      07-11-2013, 11:46 PM   #8031
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Originally Posted by 135Pats View Post
The DME uses small corrections when cruising, you are not doing any damage to your motor. For that matter even under WOT, as long as you aren't seeing large corrections across multiple cylinders, you're probably OK on that front. Timing corrections happen, the DME is extremely sensitive to the conditions. If you are logging clean at WOT and not throwing any codes, your car is fine.
^This is true. At part throttle and when traction control is on, you'll see a lot more activity in the timing correction monitors. The DME uses corrections for torque limiting and you're also running much leaner during cruise. Your main concern should be WOT logs. This is the most stress the engine sees and if things are looking good there, you should be in good shape.

-Josh
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      07-12-2013, 12:21 AM   #8032
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You're running an AP? I thought you were a single turbo guy?

Regardless, did you have a previous tune? Did you ignore the message about detecting another tune and loss of data? We absolutely keep the vin intact while tuned. Of course its recommended to uninstall if you're going for an inspection or visiting the dealer. We do not set readiness codes, so inspection would likely be an issue anyway (unless they only read vin and DTCs I guess).

Feel free to contact me or our techs if you have any questions about our process.

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Hey Josh,

I pulled my car apart after Shift Sector to get new turbo's installed. Was ready for a change so I sold all my Vishnu products and bought an AP. After I got the turbo's installed I had to flash my MSD80 to remove the back end flash so I wouldn't get under boost codes. I didn't write the UIF so I assumed the VIN was correct. Found out the other day it wasn't. I find it hard to believe that Vishnu put the wrong file back on my car, but it's possible. I had the flash done at FFTEC so I didn't remove my MSD. So if the COBB didn't do anything, I should be able to uninstall the COBB AP and my VIN will be incorrect.

I'll try that tomorrow and let you know. I'm only 3 miles or so from Surge and if needed I can run over and visit with Tim.

Thanks.
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      07-12-2013, 10:19 PM   #8033
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Definitely let me know, or feel free to tell Tim to contact me, he's a good guy. Like I said, you can contact me directly if I can help also.

Just to let you guys know, one of the reasons the initial install takes longer than just changing a map is because we read the entire stock file out of your DME and use that as the base for any maps that are flashed after that. The DME's are pretty picky and if not properly coded, there can be all sorts of weird quirks... the most common is non-working cruise control. When using an AP, you should never have these problems unless there was a previous tune on the vehicle that we can't read. At that point, the AP will warn you of detection of a previous tune. You then have the option to cancel, or continue with the possible loss of data. Only at that point would you get a "generic" rom and even then it would still be from the same family of roms as originally in your DME.

I know there's always some mystery as to how tuning companies do what they do, so hopefully that information helps.

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Originally Posted by Wedge1967 View Post
Hey Josh,

I pulled my car apart after Shift Sector to get new turbo's installed. Was ready for a change so I sold all my Vishnu products and bought an AP. After I got the turbo's installed I had to flash my MSD80 to remove the back end flash so I wouldn't get under boost codes. I didn't write the UIF so I assumed the VIN was correct. Found out the other day it wasn't. I find it hard to believe that Vishnu put the wrong file back on my car, but it's possible. I had the flash done at FFTEC so I didn't remove my MSD. So if the COBB didn't do anything, I should be able to uninstall the COBB AP and my VIN will be incorrect.

I'll try that tomorrow and let you know. I'm only 3 miles or so from Surge and if needed I can run over and visit with Tim.

Thanks.
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      07-13-2013, 09:57 PM   #8034
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Can someone can tell me what going wrong whit AFR, Actual load, Boost !!

datalog9.zip
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      07-14-2013, 01:46 AM   #8035
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Can someone can tell me what going wrong whit AFR, Actual load, Boost !!

Attachment 887544
I don't see anything wrong with your AFR. I see it pull a bunch of timing early on because you're over the requested load, and then you knock significantly on the shift and it takes a while for that to clear out.
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      07-15-2013, 09:17 PM   #8036
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Hey guys.. I have AR catless pipes, AFE dci, HPF gen 2, ER FMIC, ER Charge pipe and tial BOV and cobb of course. What is the most aggressive map/stage that i can run? Is the sport map stronger than the aggressive map? Please let me know.
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      07-15-2013, 10:04 PM   #8037
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Originally Posted by 335coupe2007 View Post
Hey guys.. I have AR catless pipes, AFE dci, HPF gen 2, ER FMIC, ER Charge pipe and tial BOV and cobb of course. What is the most aggressive map/stage that i can run? Is the sport map stronger than the aggressive map? Please let me know.
You should be good to run the stage 2+ aggressive map assuming you have access to 93 octane.
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      07-15-2013, 10:47 PM   #8038
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Log stg2+ first, but if everything checks out find some E85 asap. Drives so much better with E30 over 93 pump maps.
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      07-15-2013, 10:56 PM   #8039
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Originally Posted by nema
Quote:
Originally Posted by 335coupe2007 View Post
Hey guys.. I have AR catless pipes, AFE dci, HPF gen 2, ER FMIC, ER Charge pipe and tial BOV and cobb of course. What is the most aggressive map/stage that i can run? Is the sport map stronger than the aggressive map? Please let me know.
You should be good to run the stage 2+ aggressive map assuming you have access to 93 octane.
Thanks man. And yes I do have full access to 93. Been contemplating giving the e85 a try
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      07-15-2013, 11:58 PM   #8040
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thanks to my AP and a protune, I'm putting 362 to the wheels of my 335i...... what is the current M3 putting down stock?
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      07-16-2013, 12:53 PM   #8041
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Can someopne look in to this log I dont know even how to read it.

BTW I did 3rd and 4th gear pull and I think everything is in one log so how can I separate them?
Attached Files
File Type: txt datalog3.txt (25.2 KB, 20 views)
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      07-16-2013, 01:24 PM   #8042
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thanks to my AP and a protune, I'm putting 362 to the wheels of my 335i...... what is the current M3 putting down stock?
About the same as that, maybe a tad more.
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      07-16-2013, 01:28 PM   #8043
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m3 has much less wtq tho
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      07-17-2013, 12:21 AM   #8044
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fellas anyone know the rough % gains for 4.02 stage 1 +FMIC Drive and sport maps over stock?

cheers
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      07-17-2013, 02:51 PM   #8045
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Originally Posted by 335coupe2007 View Post
Thanks man. And yes I do have full access to 93. Been contemplating giving the e85 a try
No need to contemplate.
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      07-17-2013, 02:55 PM   #8046
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Quote:
Originally Posted by BMJ View Post
fellas anyone know the rough % gains for 4.02 stage 1 +FMIC Drive and sport maps over stock?

cheers
I have an Virtual Dyno graph that can help you. Others my vary.



Have some E85 blends also. 20% E85 pump to be exact to offset 93 octane. So your results will slightly vary. But delta's will be close.
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      07-17-2013, 03:10 PM   #8047
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Josh@Cobb is it possible to change the idle RPM through ATR?
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      07-17-2013, 04:41 PM   #8048
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      07-17-2013, 05:08 PM   #8049
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Josh@Cobb is it possible to change the idle RPM through ATR?
It depends on which ROM you have. It's not available ATM for I8AOS but I'm not sure about the others.
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      07-17-2013, 07:33 PM   #8050
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Have traction control completely off. Be safe
yeh watch how you hit the throttle when it's off!
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      07-17-2013, 07:40 PM   #8051
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Anyone using a Cobb N54 flash up in Denver on an otherwise stock car? I'm curious what map you're using and what experiences you've had?
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      07-17-2013, 08:05 PM   #8052
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Anyone using a Cobb N54 flash up in Denver on an otherwise stock car? I'm curious what map you're using and what experiences you've had?
Better luck in the local threads..
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