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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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      01-11-2011, 10:52 AM   #507
Rob@Cobb
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Quote:
Originally Posted by tke344 View Post
I'm very curious about this. I'd also like to know if there will be a way to use the tool to make programming changes (hacks) such as the euro blinkers, or turning off bulb out warning check. I know there was a thread about this recently where some members were buying a ~100$ OBD-II tool and using software to make these changes.

This is the thread for reference

http://www.e90post.com/forums/showthread.php?t=451145

I know this isn't what the tool is meant for but it should be trivial compared to flashing the ECU and a nice feature if possible.
I do have the ability to code modules for different functionality as the factory BMW tools does (We have factory BMW scantools here at Cobb), however I have not added that as of yet. In the future I do plan to add lots of cool features.

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      01-11-2011, 10:54 AM   #508
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Quote:
Originally Posted by Rob@Cobb View Post
The ECU uses the rear O2 in daily operation, something you want to keep in the exhaust stream and certainly do not want to remove.

We have the ability to keep the cat inefficiency codes from being thrown on the N54 allowing proper operation of the O2 sensors when there are no cats or aftermarket cats. Of course, no one in the US runs without legal cats, so that is for "off road" vehicles only...if you know what I mean.

Cheers,
Rob
Hi Rob, is this feature currently available or is it expected to be implemented with Stage 2/3 maps?
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      01-11-2011, 10:55 AM   #509
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Quote:
Originally Posted by Rob@Cobb View Post
The ECU uses the rear O2 in daily operation, something you want to keep in the exhaust stream and certainly do not want to remove.

We have the ability to keep the cat inefficiency codes from being thrown on the N54 allowing proper operation of the O2 sensors when there are no cats or aftermarket cats. Of course, no one in the US runs without legal cats, so that is for "off road" vehicles only...if you know what I mean.

Cheers,
Rob
Thanks for the correction - of course, O2-less and catless operation is not street legal, but all we want is codes not to be thrown on our track cars.

Quote:
Originally Posted by Rob@Cobb View Post
I do have the ability to code modules for different functionality as the factory BMW tools do, however I have not added that as of yet. In the future I do plan to add lots of cool features.

Cheers,
Rob
Ooh. I stand corrected. Much win!
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      01-11-2011, 11:05 AM   #510
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Quote:
Originally Posted by Pseudo Nim View Post
Thanks for the correction - of course, O2-less and catless operation is not street legal, but all we want is codes not to be thrown on our track cars.
...for which all you need to do is purchase a O2 simulator module.
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      01-11-2011, 11:18 AM   #511
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Quote:
Originally Posted by vasillalov View Post
...for which all you need to do is purchase a O2 simulator module.
Yes, but if you can program the same into a flash, why bother with a DPfix cable? It's so much easier, especially if you don't need to calibrate it properly (as is now necessary with the BMS DPfix).

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      01-11-2011, 11:20 AM   #512
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Quote:
Originally Posted by Alpina_B3_Lux View Post
Yes, but if you can program the same into a flash, why bother with a DPfix cable? It's so much easier, especially if you don't need to calibrate it properly (as is now necessary with the BMS DPfix).

Alpina_B3_Lux
JB4 eliminated the DPfix. It is all done internally with the JB4 now so sims are not needed.
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      01-11-2011, 11:28 AM   #513
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Quote:
Originally Posted by vasillalov View Post
...for which all you need to do is purchase a O2 simulator module.
The whole point is that your ECU bay should be untouched. If you're dealing with dealer visible wiring, then one of the principal advantages of a flash vs a piggyback is gone.
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      01-11-2011, 11:55 AM   #514
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Quote:
Originally Posted by turkish335 View Post
Hi Rob, is this feature currently available or is it expected to be implemented with Stage 2/3 maps?
It will be implemented on the Stage 2/3 maps.

Cheers,
Rob
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      01-11-2011, 12:41 PM   #515
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Cat inefficiency codes

Quote:
Originally Posted by Rob@Cobb View Post
We have the ability to keep the cat inefficiency codes from being thrown on the N54 allowing proper operation of the O2 sensors when there are no cats or aftermarket cats.
Just to confirm, this will show O2 sensor/cat readiness to pass O2 inspection (say at a race where they check via OB2port like an emission inspection)

Thanks
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      01-11-2011, 12:52 PM   #516
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Quote:
Originally Posted by Rob@Cobb View Post
It will be implemented on the Stage 2/3 maps.

Cheers,
Rob
thanks

follow up question (feels like I am on an earnings call lol):

Any downside to running current stage 1 offering of maps (say 93 octane maps) on a fully bolted car (catless DP/exhaust, intercooler, intake)?
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      01-11-2011, 01:11 PM   #517
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Quote:
Originally Posted by lacartus View Post
Just to confirm, this will show O2 sensor/cat readiness to pass O2 inspection (say at a race where they check via OB2port like an emission inspection)

Thanks
I'm also curious if the test passes "readiness" or if the primary O2 sensors read "not ready" on an OBD-II emissions test.
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      01-11-2011, 03:32 PM   #518
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Quote:
Originally Posted by turkish335 View Post
thanks

follow up question (feels like I am on an earnings call lol):

Any downside to running current stage 1 offering of maps (say 93 octane maps) on a fully bolted car (catless DP/exhaust, intercooler, intake)?
Er, yes.

You want to run the maps optimized for the mods you're using, or get a custom tune.
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      01-11-2011, 03:48 PM   #519
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Quote:
Originally Posted by turkish335 View Post
thanks

follow up question (feels like I am on an earnings call lol):

Any downside to running current stage 1 offering of maps (say 93 octane maps) on a fully bolted car (catless DP/exhaust, intercooler, intake)?
We have not yet tested a car with downpipes, catless or otherwise, with these calibrations. We do not recommend running these stage1 maps with a "stage2" car at this time. Stage2=downpipes or a full turboback.

However, intakes and intercooler upgrades should be just fine with the stage1 calibrations.

Quote:
Originally Posted by Imperator View Post
I'm also curious if the test passes "readiness" or if the primary O2 sensors read "not ready" on an OBD-II emissions test.
EDIT Update:

In most cases we are able to turn the code off without compromising emissions testing. The fact that the codes are turned off should be transparent to an emissions test.

Travis
COBB Tuning

Last edited by COBB Tuning; 01-11-2011 at 04:40 PM..
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      01-11-2011, 04:07 PM   #520
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Quote:
Originally Posted by COBB Tuning View Post
We have not yet tested a car with downpipes, catless or otherwise, with these calibrations. We do not recommend running these stage1 maps with a "stage2" car at this time. Stage2=downpipes or a full turboback.

However, intakes and intercooler upgrades should be just fine with the stage1 calibrations.



Historically you will not be able to pass emissions while running the Accessport with the rear 02 sensor codes "turned off". However, I will confirm that this is the case and bring you an update as soon as I confirm with the engineers.

Travis
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      01-11-2011, 04:10 PM   #521
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Quote:
Originally Posted by lacartus View Post
Just to confirm, this will show O2 sensor/cat readiness to pass O2 inspection (say at a race where they check via OB2port like an emission inspection)

Thanks
wow - someone tests for that? don't MANY people have non-street legal cars for track use only? those will NEVER pass emissions.
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      01-11-2011, 04:59 PM   #522
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Quote:
Originally Posted by COBB Tuning View Post
We have not yet tested a car with downpipes, catless or otherwise, with these calibrations. We do not recommend running these stage1 maps with a "stage2" car at this time. Stage2=downpipes or a full turboback.

However, intakes and intercooler upgrades should be just fine with the stage1 calibrations.

Travis
COBB Tuning
Cobb,

You guys should come out with maps for each mod for this car so the user can see the benefits that each bring like how the current piggies do it.

Stage 1
Map 1 - stock cars
Map 2 - cars with intake and exhaust
Map 3 - cars with intake, exhaust and front mount

Stage 2
Map 1 - front mount and down pipes
Map 2 - front mount, downpipes, exhaust and intake

Stage 3
Map 1 - front mount, down pipes, intake and Meth

The biggest benefit that the piggies have is that they can auto tune boost higher every time you add a major component (fmic, dp, race gas) to the car automatically without switching maps.

Alan
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      01-11-2011, 05:10 PM   #523
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Quote:
Originally Posted by Alan l. View Post
Cobb,

You guys should come out with maps for each mod for this car so the user can see the benefits that each bring like how the current piggies do it.

Stage 1
Map 1 - stock cars
Map 2 - cars with intake and exhaust
Map 3 - cars with intake, exhaust and front mount

Stage 2
Map 1 - front mount and down pipes
Map 2 - front mount, downpipes, exhaust and intake

Stage 3
Map 1 - front mount, down pipes, intake and Meth
You forget:
Stage 4 - upgraded turbos
Map 1 - Stage 3 mods, upgraded turbos (like EPL, Helix, Turbo Dynamics stage 1)
Map 2 - Stage 3 mods, upgraded turbos (like RB, Turbo Dynamics stage 2)
Map 3 - like map 1, but with meth
Map 4 - like map 2, but with meth

THEN - and with Euro cars being supported - I would be very interested.

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      01-11-2011, 05:41 PM   #524
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Quote:
Originally Posted by Alan l. View Post
Cobb,

You guys should come out with maps for each mod for this car so the user can see the benefits that each bring like how the current piggies do it.

Stage 1
Map 1 - stock cars
Map 2 - cars with intake and exhaust
Map 3 - cars with intake, exhaust and front mount

Stage 2
Map 1 - front mount and down pipes
Map 2 - front mount, downpipes, exhaust and intake

Stage 3
Map 1 - front mount, down pipes, intake and Meth

The biggest benefit that the piggies have is that they can auto tune boost higher every time you add a major component (fmic, dp, race gas) to the car automatically without switching maps.

Alan
This is why ATR is so crucial. Then if you have one mod but not the other, you can share maps, and make your own maps if you know how to tune.
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      01-11-2011, 05:59 PM   #525
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Quote:
Originally Posted by Alan l. View Post
Cobb,

You guys should come out with maps for each mod for this car so the user can see the benefits that each bring like how the current piggies do it.

Stage 1
Map 1 - stock cars
Map 2 - cars with intake and exhaust
Map 3 - cars with intake, exhaust and front mount

Stage 2
Map 1 - front mount and down pipes
Map 2 - front mount, downpipes, exhaust and intake

Stage 3
Map 1 - front mount, down pipes, intake and Meth

The biggest benefit that the piggies have is that they can auto tune boost higher every time you add a major component (fmic, dp, race gas) to the car automatically without switching maps.

Alan
Shouldnt a particular volume size intercooler be included somewhere in there ? being silent on this may pass a bad idea that a stock intercoolers would be acceptable
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      01-11-2011, 07:37 PM   #526
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Quote:
Originally Posted by Former_Boosted_IS View Post
JB4 eliminated the DPfix. It is all done internally with the JB4 now so sims are not needed.
Same as procede, just clears the codes. Be nice if the flashers had this feature.
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      01-11-2011, 07:38 PM   #527
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Quote:
Originally Posted by COBB Tuning View Post
We have not yet tested a car with downpipes, catless or otherwise, with these calibrations. We do not recommend running these stage1 maps with a "stage2" car at this time. Stage2=downpipes or a full turboback.....
Why not? I bought a set of AR downpipes and COBB tuner with hopes of installing the DPs and the tuner at the same time. What's the downside?
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      01-11-2011, 07:58 PM   #528
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Quote:
Originally Posted by deadlyrhythm View Post
Why not? I bought a set of AR downpipes and COBB tuner with hopes of installing the DPs and the tuner at the same time. What's the downside?
You guys need to realize the maps are "tuned" maps...

They are tuned for certain mods....

The can run too much ignition or not enough fuel if you mix and match mods with the wrong maps.

You need to run the appropriate maps for your mods, Stage 1 is for an otherwise stock car.

Its not the same as your typical jb3/4 or procede in where you can just slap on mods and go.... its tuned specific for modifications.
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