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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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      01-17-2012, 11:30 AM   #3367
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Quote:
Originally Posted by RaihaX View Post
+1 - actually almost lost it on a corner 10 mins ago on the way home as I had traction control fully off
careful with that, i have slid my car around 360 in a pretty busy road, luckily nobody was on it and it was very late at night, and i learned my lesson.

live and learn and don't hurt anyone while doing it =)
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      01-17-2012, 12:48 PM   #3368
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Yeah, I only have traction control fully off when doing individual gear pulls or logging data. Otherwise, partial DTC (pressing the button once) should suffice.
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      01-17-2012, 02:17 PM   #3369
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My car will have a boost surge at 4k RPms but it won't do it every time. U can c it in my logs too where it's not making much boost until 4k then it will hit 16-17psi. Cud my dv's b leaking?
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      01-17-2012, 03:24 PM   #3370
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I am spraying meth with Downpipes and FMIC, stg 1 is far from aggressive for me ...
What feels aggressive and what is too aggressive when looking at the data on the dyno is two complete different stories.
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      01-17-2012, 06:13 PM   #3371
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Yeah that's it. My logs suggest demand load dipped on a constant throttle even when throttle position was constant. I wonder if throttle map is off, or dtc cuts in even if the light isn't on and full traction control is disabled
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      01-17-2012, 06:55 PM   #3372
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Quote:
Originally Posted by E90SoFlo View Post
careful with that, i have slid my car around 360 in a pretty busy road, luckily nobody was on it and it was very late at night, and i learned my lesson.

live and learn and don't hurt anyone while doing it =)
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Originally Posted by nitehawk View Post
Yeah, I only have traction control fully off when doing individual gear pulls or logging data. Otherwise, partial DTC (pressing the button once) should suffice.
I just got back from doing logging forgot to change it back to Partial DTC. Didn't realise this and the corner had quite a bit of gravel, lucky I didn't gun it or anything or it would have been a 360 onto the kerb.

Definitely brown pants moment

I am trying out Stage 2+ Sport and man is so slow compare to aggressive!
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      01-18-2012, 01:53 AM   #3373
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Originally Posted by RaihaX View Post
I just got back from doing logging forgot to change it back to Partial DTC. Didn't realise this and the corner had quite a bit of gravel, lucky I didn't gun it or anything or it would have been a 360 onto the kerb.

Definitely brown pants moment

I am trying out Stage 2+ Sport and man is so slow compare to aggressive!
you feel that much of a difference between stage 2+fmic sport and aggressive?! I need to go get me some 93... any higher wont do any good correct?
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      01-18-2012, 02:19 AM   #3374
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Quote:
Originally Posted by Jeef
Quote:
Originally Posted by RaihaX View Post
I just got back from doing logging forgot to change it back to Partial DTC. Didn't realise this and the corner had quite a bit of gravel, lucky I didn't gun it or anything or it would have been a 360 onto the kerb.

Definitely brown pants moment

I am trying out Stage 2+ Sport and man is so slow compare to aggressive!
you feel that much of a difference between stage 2+fmic sport and aggressive?! I need to go get me some 93... any higher wont do any good correct?
Higher octane will always do good things.
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      01-18-2012, 02:20 AM   #3375
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you feel that much of a difference between stage 2+fmic sport and aggressive?! I need to go get me some 93... any higher wont do any good correct?
From my drive to work this morning yeah, it doesn't have that crazy punch at 3.5k RPM.

Will play around a bit more on the way home today.
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      01-18-2012, 04:45 AM   #3376
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Originally Posted by RaihaX View Post
From my drive to work this morning yeah, it doesn't have that crazy punch at 3.5k RPM.

Will play around a bit more on the way home today.
So has it solved the timing drops you have had? Still runing same gas?
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      01-18-2012, 06:18 AM   #3377
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So has it solved the timing drops you have had? Still runing same gas?
Unfortunately no, still waiting on my vanos solenoid and hope that fixes it, that's why I haven't updated my thread yet.

What I did find out thought that cylinder 2-5 is always happy and cylinder 6 sometime would have a drop but cylinder 1 always has a drop on every log I have done.

I am still using the same gas, all the other gas gives me worst timing.

I am going to log the sport map and see if it makes any difference. Probably doesn't help that ambient temperature is at 45C (113F).

In regards to the sport map - I had a bit of a drive on the way home and it definitely doesn't have that big of a punch on the mid range as the aggressive maps.

As someone else says on the aggressive map the car goes "ape shit"

Also another question about the 0-100 function, how do people normally launch their AT cars? first gear ? or second gear brake boosting? or just DS and slam it down?

Been playing around with it and it seems the fastest I can do is about 4.7s.
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      01-18-2012, 06:49 AM   #3378
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Quote:
Originally Posted by RaihaX View Post
Unfortunately no, still waiting on my vanos solenoid and hope that fixes it, that's why I haven't updated my thread yet.

What I did find out thought that cylinder 2-5 is always happy and cylinder 6 sometime would have a drop but cylinder 1 always has a drop on every log I have done.

I am still using the same gas, all the other gas gives me worst timing.

I am going to log the sport map and see if it makes any difference. Probably doesn't help that ambient temperature is at 45C (113F).

In regards to the sport map - I had a bit of a drive on the way home and it definitely doesn't have that big of a punch on the mid range as the aggressive maps.

As someone else says on the aggressive map the car goes "ape shit"

Also another question about the 0-100 function, how do people normally launch their AT cars? first gear ? or second gear brake boosting? or just DS and slam it down?

Been playing around with it and it seems the fastest I can do is about 4.7s.
M2 brake boosting 2500-3000 rpm. i wouldnt do that to often though
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      01-18-2012, 09:27 AM   #3379
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Quote:
Originally Posted by RaihaX View Post
Unfortunately no, still waiting on my vanos solenoid and hope that fixes it, that's why I haven't updated my thread yet.

What I did find out thought that cylinder 2-5 is always happy and cylinder 6 sometime would have a drop but cylinder 1 always has a drop on every log I have done.

I am still using the same gas, all the other gas gives me worst timing.

I am going to log the sport map and see if it makes any difference. Probably doesn't help that ambient temperature is at 45C (113F).

In regards to the sport map - I had a bit of a drive on the way home and it definitely doesn't have that big of a punch on the mid range as the aggressive maps.

As someone else says on the aggressive map the car goes "ape shit"

Also another question about the 0-100 function, how do people normally launch their AT cars? first gear ? or second gear brake boosting? or just DS and slam it down?

Been playing around with it and it seems the fastest I can do is about 4.7s.
Im not happy saying it but i told you so, like i said in your other thread after endless people try to troubleshoot, you and i are in the same boat, the 98 octane we are using is shit. I made a thread or posted cant remember that 2-5cyl are always happy, 6 occasional drop and 1 being the worst.
Im just hoping it might be your vanos solenoid, if it fixes yours i will do mine even though not had a code of some sort.

As for the acceleration just as Enrita explained.
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      01-18-2012, 12:01 PM   #3380
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M2 brake boosting 2500-3000 rpm. i wouldnt do that to often though
I'm assuming the reason for this is the result of an unhappy transmission...??? lol
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      01-18-2012, 12:05 PM   #3381
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I'm assuming the reason for this is the result of an unhappy transmission...??? lol
Yup. There are people that have done it dozens of times with no ill effects, but i wouldn't want to risk it
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      01-18-2012, 07:18 PM   #3382
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Quote:
Originally Posted by enrita View Post
M2 brake boosting 2500-3000 rpm. i wouldnt do that to often though
Quote:
Originally Posted by FCobra94 View Post
I'm assuming the reason for this is the result of an unhappy transmission...??? lol
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Originally Posted by rader1 View Post
Yup. There are people that have done it dozens of times with no ill effects, but i wouldn't want to risk it
Yeah I would probably do it once or twice in a year!

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Originally Posted by Bash View Post
Im not happy saying it but i told you so, like i said in your other thread after endless people try to troubleshoot, you and i are in the same boat, the 98 octane we are using is shit. I made a thread or posted cant remember that 2-5cyl are always happy, 6 occasional drop and 1 being the worst.
Im just hoping it might be your vanos solenoid, if it fixes yours i will do mine even though not had a code of some sort.

As for the acceleration just as Enrita explained.
Yeah it kinda sucks if that is the case, I guess I will know soon enough in a week or two.

I am on the drive map now as per recommendation by Ian till I get the vanos solenoid replaced.

Surprisingly is pretty good, even though it doesn't have the punchiness as the sport or aggressive map, it feels very smooth and stock like!
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      01-18-2012, 09:01 PM   #3383
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Honestly I don't see whats so bad about M2 brake boosting. Please inform me!
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      01-19-2012, 10:33 AM   #3384
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Quote:
Originally Posted by RaihaX
Quote:
Originally Posted by enrita View Post
M2 brake boosting 2500-3000 rpm. i wouldnt do that to often though
Quote:
Originally Posted by FCobra94 View Post
I'm assuming the reason for this is the result of an unhappy transmission...??? lol
Quote:
Originally Posted by rader1 View Post
Yup. There are people that have done it dozens of times with no ill effects, but i wouldn't want to risk it
Yeah I would probably do it once or twice in a year!

Quote:
Originally Posted by Bash View Post
Im not happy saying it but i told you so, like i said in your other thread after endless people try to troubleshoot, you and i are in the same boat, the 98 octane we are using is shit. I made a thread or posted cant remember that 2-5cyl are always happy, 6 occasional drop and 1 being the worst.
Im just hoping it might be your vanos solenoid, if it fixes yours i will do mine even though not had a code of some sort.

As for the acceleration just as Enrita explained.
Yeah it kinda sucks if that is the case, I guess I will know soon enough in a week or two.

I am on the drive map now as per recommendation by Ian till I get the vanos solenoid replaced.

Surprisingly is pretty good, even though it doesn't have the punchiness as the sport or aggressive map, it feels very smooth and stock like!
Iam on the aggressive s1 map, are you FBO? I'm pretty sure you will be totally ok on the sport maps.
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      01-19-2012, 03:19 PM   #3385
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Honestly I don't see whats so bad about M2 brake boosting. Please inform me!
Torque converter "ballooning," damage to its internals and increased trans fluid temps, but likely only a significant issue if you make a frequent habit of it.
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      01-19-2012, 07:29 PM   #3386
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Iam on the aggressive s1 map, are you FBO? I'm pretty sure you will be totally ok on the sport maps.
Yeah I am on FBO - is alright ill just play it safe till i get the solenoid.
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      01-19-2012, 07:43 PM   #3387
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Everyone:

Check to make sure your ECU number reported by the Cobb AP matches the one reported by the Bavarian Technic tool! It seems that there are now 2 documented cases where the Cobb AP does not detect the correct ECU ID and installs the wrong firmware and the wrong maps!

Here is more information:
http://www.e90post.com/forums/showthread.php?t=636556
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      01-19-2012, 08:44 PM   #3388
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Torque converter "ballooning," damage to its internals and increased trans fluid temps, but likely only a significant issue if you make a frequent habit of it.
I see... but I am pretty sure a couple people on here do it quite often and I believe nothing is wrong with their cars? I don't know we will wait and see
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