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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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      03-19-2013, 11:43 PM   #7063
Ænema
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Quote:
Originally Posted by labedra View Post
Do I have a problem with 1st and 4th Cylinder since timing is being pulled at WOT, other cylinders pull timing but in certain instances and under normal driving conditions. I'm Running Stage1_ST_Sport map on my 335i e92 Stick just with K&N Drop In filter on 93 Octane. Just installed it 2nd day 2nd drive about 10miles long. I didn't notice any hesitation in acceleration and I also had DTC ON and TCS ON don't know if it matters or not. Car year 2008 and has 26K miles on it.
Nothing sticking out as a problem. Having one or two cylinders making 3.xx corrections isn't a big deal. Log looks pretty good.


Just for future reference, be SURE to completely disable DTC and DSC or you may occasionally see some timing or boost issues in logs that aren't really there.
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      03-20-2013, 12:27 AM   #7064
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Thanks Ænema, I was looking at the 15 min logs and I see all zeros across other WOTs only see one other timing pull other than the one posted, so I guess it's good. I'm new to this, so another question, would a custom tune/map eliminate most of the timing pulls, or at least that's the idea correct?
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      03-20-2013, 12:39 AM   #7065
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Quote:
Originally Posted by labedra View Post
Thanks Ænema, I was looking at the 15 min logs and I see all zeros across other WOTs only see one other timing pull other than the one posted, so I guess it's good. I'm new to this, so another question, would a custom tune/map eliminate most of the timing pulls, or at least that's the idea correct?
Well, yeah that should ideally be what happens. Getting the most power available while being as safe as possible. A PROtune is never a bad idea, provided it is by a reputbale tuner that has experience with the N54.
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      03-20-2013, 04:31 AM   #7066
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Hey. COBB. with these new guys logging timing correction. Before they start pulling plugs and injectors did you fix the bug where the wrong cylinders are reported in the wrong columns? Which turned out to be wrong, corrections or total timing?

Reminder: timing cylinder A + correction cylinder B = total timing cylinder A or B. I don't recall the actual cylinders impacted.
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      03-20-2013, 04:36 AM   #7067
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Quote:
Originally Posted by Ænema View Post
Nothing sticking out as a problem. Having one or two cylinders making 3.xx corrections isn't a big deal. Log looks pretty good.


Just for future reference, be SURE to completely disable DTC and DSC or you may occasionally see some timing or boost issues in logs that aren't really there.
Don't do WOT in third on cold or slippery road with DTC disabled. I did and it wasn't pretty when the tryes lit up at 4k rpm or thereabouts. Correct though that traction control is achieved through timing corrections so no point logging those.
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      03-20-2013, 11:15 AM   #7068
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Quote:
Originally Posted by crypticc View Post
Don't do WOT in third on cold or slippery road with DTC disabled. I did and it wasn't pretty when the tryes lit up at 4k rpm or thereabouts. Correct though that traction control is achieved through timing corrections so no point logging those.
well you shouldn't do any logging on a unsafe road/conditions. 3rd Gear log you will get real close to 100 mph, easily get to 110-120 MPH if you pull in 4th for a bit. Also try to find a long flat stretch of road, mitigate any slip of traction.
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      03-20-2013, 11:18 AM   #7069
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Quote:
Originally Posted by VNeBLOB42 View Post
well you shouldn't do any logging on a unsafe road/conditions. 3rd Gear log you will get real close to 100 mph, easily get to 110-120 MPH if you pull in 4th for a bit. Also try to find a long flat stretch of road, mitigate any slip of traction.
THIS.
Safety first. If the conditions don't permit a pull in 3rd gear with DTC off then you shouldn't be trying to log anyway.
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      03-20-2013, 07:29 PM   #7070
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Could someone explain how much power each map makes in sequential order? I saw that Cobb has released their new Stage 1+FMIC map for drive, sport, and aggressive.

I am guessing that the order of power assuming the same car is as follows:

Stage 1 Drive
Stage 1+FMIC Drive
Stage 1 Sport
Stage 1+FMIC Sport
Stage 1 Aggressive
Stage 1+FMIC Aggressive
Stage 2 Drive
Stage 2+FMIC Drive
Stage 2 Sport
Stage 2+FMIC Sport
Stage 2 Aggressive
Stage 2+FMIC Aggressive

Does this make sense?
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      03-20-2013, 07:46 PM   #7071
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No, from weakest to strongest (imo maybe some think stg2>1+) within each map grouping it ranges from drive-sport-aggressive

Stg1
Stg2
Stg1+
Stg2+
E30

Power will depend on dyno, STG2+agg will be somewhere in the 380whp area depending on a variety of factors. Ive never liked the "aggressive" nomenclature, in reality none of the ots maps are all that aggressive for a healthy car with how strong they taper up top. E30 and race maps push fairly hard though.
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      03-20-2013, 07:49 PM   #7072
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Quote:
Originally Posted by nukezero View Post
Could someone explain how much power each map makes in sequential order? I saw that Cobb has released their new Stage 1+FMIC map for drive, sport, and aggressive.

I am guessing that the order of power assuming the same car is as follows:

Stage 1 Drive
Stage 1+FMIC Drive
Stage 1 Sport
Stage 1+FMIC Sport
Stage 1 Aggressive
Stage 1+FMIC Aggressive
Stage 2 Drive
Stage 2+FMIC Drive
Stage 2 Sport
Stage 2+FMIC Sport
Stage 2 Aggressive
Stage 2+FMIC Aggressive

Does this make sense?
I have heard that stage 1+fmic aggressive is stronger than stage 2 , so I would say that stage 1 +fmic agg. is stronger than stage 2 drive and sport.
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      03-20-2013, 08:44 PM   #7073
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In for my usually NLS check? Any word on it?
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      03-20-2013, 09:04 PM   #7074
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Quote:
Originally Posted by CT335xi View Post
I have heard that stage 1+fmic aggressive is stronger than stage 2 , so I would say that stage 1 +fmic agg. is stronger than stage 2 drive and sport.
That's my understanding too...1+ > 2.. Certainly for OTS Cobb tunes.
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      03-20-2013, 11:12 PM   #7075
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Quote:
Originally Posted by nukezero View Post
Could someone explain how much power each map makes in sequential order? I saw that Cobb has released their new Stage 1+FMIC map for drive, sport, and aggressive.

I am guessing that the order of power assuming the same car is as follows:

Stage 1 Drive
Stage 1+FMIC Drive
Stage 1 Sport
Stage 1+FMIC Sport
Stage 1 Aggressive
Stage 1+FMIC Aggressive
Stage 2 Drive
Stage 2+FMIC Drive
Stage 2 Sport
Stage 2+FMIC Sport
Stage 2 Aggressive
Stage 2+FMIC Aggressive

Does this make sense?
Here is a good example of S1. Using 20% E85 (3 gallons) for the Agg. Maps due to shitty 91. Results may very, per Virtual Dyno, AT



I think.... I could be way off. . Not to sure on S2 MAPS, never used them.
Stage 1 Drive
Stage 1+FMIC Drive
Stage 1 Sport
Stage 1+FMIC Sport
Stage 1 Aggressive
Stage 2 Drive
Stage 2 Sport
Stage 1+FMIC Aggressive
Stage 2+FMIC Drive
Stage 2 Aggressive
Stage 2+FMIC Sport
Stage 2+FMIC Aggressive
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Last edited by VNeBLOB42; 03-20-2013 at 11:24 PM.
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      03-21-2013, 09:14 PM   #7076
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Hello all,

Finally will install Cobb tomm. Like the procede, does Cobb need to pass a certain oil temp to start boosting?

I'll be installing stage 2+ aggressive.

Can I leave my DP fix in?

Thanks
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      03-21-2013, 09:50 PM   #7077
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Quote:
Originally Posted by TT3 iN NyC View Post
Hello all,

Finally will install Cobb tomm. Like the procede, does Cobb need to pass a certain oil temp to start boosting?

I'll be installing stage 2+ aggressive.

Can I leave my DP fix in?

Thanks
No, the OTS maps do not limit boost when cold.

You can leave the DP fix in, but I would advise against it. There have been a few people have weird fuel trim issues that disappear when the DP fix is removed.
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      03-22-2013, 12:38 AM   #7078
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Quote:
Originally Posted by TT3 iN NyC View Post
Hello all,

Finally will install Cobb tomm. Like the procede, does Cobb need to pass a certain oil temp to start boosting?

I'll be installing stage 2+ aggressive.

Can I leave my DP fix in?

Thanks
No need to use dp-fix with any Stage 2 maps from Cobb.
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      03-22-2013, 11:16 AM   #7079
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Quote:
Originally Posted by Ænema View Post
No, the OTS maps do not limit boost when cold.

You can leave the DP fix in, but I would advise against it. There have been a few people have weird fuel trim issues that disappear when the DP fix is removed.
Quote:
Originally Posted by AltecBX View Post
No need to use dp-fix with any Stage 2 maps from Cobb.
Thank you both!
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      03-22-2013, 11:52 AM   #7080
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Quote:
Originally Posted by TT3 iN NyC View Post
Hello all,

Finally will install Cobb tomm. Like the procede, does Cobb need to pass a certain oil temp to start boosting?

I'll be installing stage 2+ aggressive.

Can I leave my DP fix in?

Thanks
Why would you want to boost a cold engine if you don't mind me asking
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      03-22-2013, 12:44 PM   #7081
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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, 12:49 PM   #7082
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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, 12:51 PM   #7083
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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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      03-23-2013, 12:14 AM   #7084
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