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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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      03-05-2013, 05:41 PM   #7019
enrita
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Quote:
Originally Posted by Wesley Crusher View Post
That's what I was afraid of. Too bad flashing takes 10-15 minutes.
are you using some kind of custom flash? takes 1 minute for me to flash from OTS to a modified ATR map
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      03-05-2013, 05:46 PM   #7020
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Quote:
Originally Posted by Wesley Crusher View Post
That's what I was afraid of. Too bad flashing takes 10-15 minutes.

Going from Stock to a modified rom/flash does take 15mins or so. But if your going from a stage 1 flash to a e30 flash, it takes 5mins or less.
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      03-05-2013, 05:56 PM   #7021
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Quote:
Originally Posted by enrita View Post
are you using some kind of custom flash? takes 1 minute for me to flash from OTS to a modified ATR map
Quote:
Originally Posted by SfValley335i View Post
Going from Stock to a modified rom/flash does take 15mins or so. But if your going from a stage 1 flash to a e30 flash, it takes 5mins or less.
Ah, got it. That makes sense.

Thanks, guys.
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      03-05-2013, 07:52 PM   #7022
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Back from the gas station. I filled up with 6 gallons of E85 and the rest with 91. Flashing the car to the E30 map took a minute, maybe two.

When I started the car, the idle was jumping around, but I figured the fuel was just mixing. It took a good five minutes for the idle to settle down, but I just waited. I didn't want to take a chance.

My initial impression is WOW! Going from S2+ Sport to the E30 map made a huge difference. The car pulls super hard, but at the same time very smoothly. I am very, very impressed.
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      03-05-2013, 08:37 PM   #7023
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Quote:
Originally Posted by Wesley Crusher View Post
Back from the gas station. I filled up with 6 gallons of E85 and the rest with 91. Flashing the car to the E30 map took a minute, maybe two.

When I started the car, the idle was jumping around, but I figured the fuel was just mixing. It took a good five minutes for the idle to settle down, but I just waited. I didn't want to take a chance.

My initial impression is WOW! Going from S2+ Sport to the E30 map made a huge difference. The car pulls super hard, but at the same time very smoothly. I am very, very impressed.
Not to be picky, but 6 gallons of E85 pump is more like E38. Based upon 91 having 10% Ethanol. You may want to check your fuel trims to be sure are under 34.
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      03-05-2013, 08:48 PM   #7024
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Quote:
Originally Posted by VNeBLOB42 View Post
Not to be picky, but 6 gallons of E85 pump is more like E38. Based upon 91 having 10% Ethanol. You may want to check your fuel trims to be sure are under 34.
I will. I'll take some logs and post them up.

When taking logs of the fuel trim, do I do it like any other data logging (3-4th gear pull)?

Last edited by WesleyC; 03-05-2013 at 09:20 PM.
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      03-05-2013, 09:26 PM   #7025
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Quote:
Originally Posted by Wesley Crusher View Post
I will. I'll take some logs and post them up.

When taking logs of the fuel trim, do I do it like any other data logging (3-4th gear pull)?
Make sure you have both STFT and LTFT monitors logged (remove some other monitors if necessary). If running with 91, you'll need a little extra E85 to get the detonation resistance, so you're probably at a decent mix. You may need to tweak the fuel scalar a bit to get the trims in check though. Post up logs or PM/email them to me and we'll see how you're doing. The E30 maps are fun

-Josh
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      03-05-2013, 10:12 PM   #7026
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Quote:
Originally Posted by COBB Tuning View Post
Make sure you have both STFT and LTFT monitors logged (remove some other monitors if necessary). If running with 91, you'll need a little extra E85 to get the detonation resistance, so you're probably at a decent mix. You may need to tweak the fuel scalar a bit to get the trims in check though. Post up logs or PM/email them to me and we'll see how you're doing. The E30 maps are fun

-Josh
Thanks, Josh. I'll take some logs, hopefully tomorrow morning, and post them up or PM you.
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      03-05-2013, 10:40 PM   #7027
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Quote:
Originally Posted by Wesley Crusher View Post
Thanks, Josh. I'll take some logs, hopefully tomorrow morning, and post them up or PM you.
Good deal. josh.dankel(at)cobbtuning.com will be the quickest option.

-Josh
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      03-10-2013, 12:17 AM   #7028
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Would running e30 all the time be bad for the car?
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      03-10-2013, 12:27 AM   #7029
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Quote:
Originally Posted by Wesley Crusher View Post
I will. I'll take some logs and post them up.

When taking logs of the fuel trim, do I do it like any other data logging (3-4th gear pull)?

I recently got in touch with PTF like everyone else has been doing, Jake and Dzenno are great guys, they provide superb service, they respond super fast. Its worth the extra $$ to have these guys tune your car. I have piece of mind and they squeeze more power from the e30 ots maps.
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      03-10-2013, 11:53 AM   #7030
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Quote:
Originally Posted by Jeef View Post
Would running e30 all the time be bad for the car?
The higher the ethanol mix you run the more it will make the pump work, which in turn, reduces the life of the pump. How much running a 30% mix takes off the life of the pump is unknown. Also, it's a good idea to run e10 gasoline through the tank every 3-4 fill ups to "clean" the fuel system of any ethanol deposits that may have formed.
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      03-10-2013, 01:13 PM   #7031
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Quote:
Originally Posted by Ænema View Post
The higher the ethanol mix you run the more it will make the pump work, which in turn, reduces the life of the pump. How much running a 30% mix takes off the life of the pump is unknown. Also, it's a good idea to run e10 gasoline through the tank every 3-4 fill ups to "clean" the fuel system of any ethanol deposits that may have formed.
What exactly do you mean?
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      03-10-2013, 01:28 PM   #7032
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To what I know and understand, ethanol readily absorbs water, thus the only thing that comes to my mind would be to run water remover to remove moisture(if any) in the fuel lines.
Most gas companies mandate use of a fuel filter inside the pump of gas dispensing unit. So if your fuel is coming out extra slow, it means the pump filters are probably clogged with either debris or water trapped from ethanol.
Rule of thumb, if the gas pump you are using is acting slow-you are better of going somewhere else. It just could be an old filter causing slowdown , but I rather not take chance.
Lately it's been chevron(locally) that's been getting consistent bad gas from past few months. Before that it was Esso. Shell (at least locally don't run any filters in pumps), so no knowing when I am getting bad gas.
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      03-10-2013, 03:34 PM   #7033
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Ethanol is actually used to absorb the water in the fuel and help to remove it. What I was referring to is that on other platforms running high concentrations of ethanol(normally e85) can lead to deposits building up on the injector nozzle. I doubt e30 will cause this, but it's not a bad idea to run a gas mix with as little ethanol as possible every once in a while to help clear this up.
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      03-10-2013, 05:46 PM   #7034
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It seems like every week the accesport updates when I plug it in to the comp. How often should I be re installing the flash to keep the car up to date?

I apologize if this has been discussed before.
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      03-10-2013, 05:58 PM   #7035
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Hey guys I'm going in for my first dealer visit Tuesday since putting the cobb on , what do I need to do to get it back to stock/ untraceable?

Is it just that first stock map?
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      03-10-2013, 06:16 PM   #7036
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Uninstall to return to stock. Then just reinstall when you get it back. Just a few more minutes than switching maps.
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      03-10-2013, 06:21 PM   #7037
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Quote:
Originally Posted by 335i1 View Post
Hey guys I'm going in for my first dealer visit Tuesday since putting the cobb on , what do I need to do to get it back to stock/ untraceable?

Is it just that first stock map?
Just attach your AP to the cable and scroll down to Uninstall and confirm your uninstall of the the tune to go back to factory. This will take about 20 minutes.

That's it.
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      03-10-2013, 07:00 PM   #7038
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Originally Posted by AltecBX View Post
Just attach your AP to the cable and scroll down to Uninstall and confirm your uninstall of the the tune to go back to factory. This will take about 20 minutes.

That's it.
This, but do it as soon as you can so that the car will hopefully complete the OBD2 rest cycle before the dealer gets it. They can't really say or do anything if the test isn't complete... but no need to bring any undue attention.
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      03-10-2013, 07:01 PM   #7039
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Quote:
Originally Posted by R.G. View Post
It seems like every week the accesport updates when I plug it in to the comp. How often should I be re installing the flash to keep the car up to date?

I apologize if this has been discussed before.
Most of the time the updates are there just to ad ROM support for different vehicles. You can read on Cobb's site what the update does in the update history
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      03-10-2013, 07:24 PM   #7040
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Quote:
Originally Posted by Ænema View Post
Most of the time the updates are there just to ad ROM support for different vehicles. You can read on Cobb's site what the update does in the update history
Regarding this matter you know where in the Cobb site the history of every revision is located, including beta?
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