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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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      03-26-2013, 09:44 PM   #7129
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Originally Posted by ∆nema View Post
You're absolutely fine to go WOT. The DME is 100% closed loop. If anything is wrong it will compensate for it or throw a boost leak code/limp if necessary. The only way to test it is to hammer on it and see if it holds boost.
So I'm guessing this problem should be present going WOT stock too? I just want my cobb back kicking ass lmao I don't care if they duct tape that bad boy just let me whip other cars.
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      03-27-2013, 12:50 AM   #7130
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Well, I finally bit the bullet and got myself a Cobb from Mike at N54Tuning. I have been absent from the forums for a while and just getting back into tuning options again. I am transitioning from a JB3 and was contemplating getting a JB4 but wanted to try something new. The feedback on the Cobb has been overwhelming. I just want some feedback on which settings and map I should be trying when I do my install. I read up a little on the difference between stock and linear throttle and am still undecided. I drove on JB3 map 5 as my daily map. I fill up with Husky 94 octane. Here is a list of some of my mods:

AR Catless DP
Helix FMIC
BMW Performance Exhaust
BMS DCI
Forge DV's
Evolution Racewerks Charge Pipe

Thanks so much for the suggestions in advance. I'm pretty excited to get this installed
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      03-27-2013, 12:56 AM   #7131
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Originally Posted by Drakos View Post
Well, I finally bit the bullet and got myself a Cobb from Mike at N54Tuning. I have been absent from the forums for a while and just getting back into tuning options again. I am transitioning from a JB3 and was contemplating getting a JB4 but wanted to try something new. The feedback on the Cobb has been overwhelming. I just want some feedback on which settings and map I should be trying when I do my install. I read up a little on the difference between stock and linear throttle and am still undecided. I drove on JB3 map 5 as my daily map. I fill up with Husky 94 octane. Here is a list of some of my mods:

AR Catless DP
Helix FMIC
BMW Performance Exhaust
BMS DCI
Forge DV's
Evolution Racewerks Charge Pipe

Thanks so much for the suggestions in advance. I'm pretty excited to get this installed
The boys here had me do a few logs on stage 1 good solid advice for catching any problems before going straight to hardcore. Its been so long since I've had my cobb I'm forgetting what its like
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      03-27-2013, 01:41 AM   #7132
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OK, great to know. I will do some runs and try to figure out how to data log, lol. Thanks.
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      03-27-2013, 07:47 AM   #7133
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Originally Posted by Drakos View Post
Well, I finally bit the bullet and got myself a Cobb from Mike at N54Tuning. I have been absent from the forums for a while and just getting back into tuning options again. I am transitioning from a JB3 and was contemplating getting a JB4 but wanted to try something new. The feedback on the Cobb has been overwhelming. I just want some feedback on which settings and map I should be trying when I do my install. I read up a little on the difference between stock and linear throttle and am still undecided. I drove on JB3 map 5 as my daily map. I fill up with Husky 94 octane. Here is a list of some of my mods:

AR Catless DP
Helix FMIC
BMW Performance Exhaust
BMS DCI
Forge DV's
Evolution Racewerks Charge Pipe

Thanks so much for the suggestions in advance. I'm pretty excited to get this installed
I would start with Stage1+FMIC aggressive and do some logs.
But based on your mods & octane your using I believe you can skip that and go to Stage2+FMIC Aggressive. If you don't see any timing correction you should look into ATR to make it more powerful
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      03-27-2013, 09:39 AM   #7134
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Guys ive just done like 3 wots all 110+ and can't throw the boost leak code. Is it at all possible this was just an adaptation issue from the new part or did I pick the wrong stage1 aggressive map? They basically told me don't come back until the codes are back and if I'm not throwing them on stock wouldn't matter anyway.

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      03-27-2013, 10:12 AM   #7135
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Guys ive just done like 3 wots all 110+ and can't throw the boost leak code. Is it at all possible this was just an adaptation issue from the new part or did I pick the wrong stage1 aggressive map? They basically told me don't come back until the codes are back and if I'm not throwing them on stock wouldn't matter anyway.
What do you mean. Did they fix it? If not, have you looked to see if the clamps are on tight to the hoses?
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      03-27-2013, 10:17 AM   #7136
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What do you mean. Did they fix it? If not, have you looked to see if the clamps are on tight to the hoses?
No. I uninstalled Cobb after the codes and they (dealer) said until they have codes to read wait. So ive been going wot all morning and it seems fine and isn't throwing anything on stock settings (I just hit 127 on ds) I can't even change the oil bro no way I could take the bumper off to check the clamps lol


That's why I was curious if maybe I did a dirty install and it just needed to be reflashed (I mean I sat in the parking lot after I paid loading the Cobb lol ), or if this is an issue only the increased boost request will expose.

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      03-27-2013, 10:35 AM   #7137
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No need to take bumper off. All you need to do is take off the undercarriage cover which is held by like 8 screws. If not, try to look with a flash light if you can.

Stock pressure is 8.5psi max. You won't put that much stress in stock trim.
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      03-27-2013, 10:37 AM   #7138
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No. I uninstalled Cobb after the codes and they said until they have codes to read wait. So ive been going wot all morning and it seems fine and isn't throwing anything on stock settings (I just hit 127 on ds) I can't even change the oil bro no way I could take the bumper off to check the clamps lol
If youíre not throwing codes for it, it is extremely unlikely you have a boost leak, regardless of whether Cobb is installed or not. To be certain, install cobb for datalogging purposes and grab a log, you can use the stock map if you want but it really doesnít matter. See how the actual boost matches up to requested boost, then youíll know 100%. But TBH your car sounds like itís fine dude..
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      03-27-2013, 10:37 AM   #7139
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No need to take bumper off. All you need to do is take off the undercarriage cover which is held by like 8 screws. If not, try to look with a flash light if you can.

Stock pressure is 8.5psi max. You won't put that much stress in stock trim.
Will do thanks again. I'm ducking out of class early to go home and if I can try to get some pictures to post.
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      03-27-2013, 10:39 AM   #7140
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Originally Posted by Drakos View Post
Well, I finally bit the bullet and got myself a Cobb from Mike at N54Tuning. I have been absent from the forums for a while and just getting back into tuning options again. I am transitioning from a JB3 and was contemplating getting a JB4 but wanted to try something new. The feedback on the Cobb has been overwhelming. I just want some feedback on which settings and map I should be trying when I do my install. I read up a little on the difference between stock and linear throttle and am still undecided. I drove on JB3 map 5 as my daily map. I fill up with Husky 94 octane. Here is a list of some of my mods:

AR Catless DP
Helix FMIC
BMW Performance Exhaust
BMS DCI
Forge DV's
Evolution Racewerks Charge Pipe

Thanks so much for the suggestions in advance. I'm pretty excited to get this installed
You paid good money to go FBO, so use FBO maps! If your car is healthy it will take to Stg2+ aggressive just fine, in all seriousness it isnít that aggressive a map to begin with. Take some logs/post them up here, and then decide if you want to dial it back or ramp up to the race maps or a protune. IMO thereís no sense in starting off with substantially weaker maps, your car isnít going to be hurt by Stg2+. Go for it.
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      03-27-2013, 10:40 AM   #7141
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If you’re not throwing codes for it, it is extremely unlikely you have a boost leak, regardless of whether Cobb is installed or not. To be certain, install cobb for datalogging purposes and grab a log, you can use the stock map if you want but it really doesn’t matter. See how the actual boost matches up to requested boost, then you’ll know 100%. But TBH your car sounds like it’s fine dude..
I hope so i really dont want those codes and logs again lol I am in love with the Cobb and just how sweet a sleeper this car can be

Although if I start seeing 420hp ctses it might get less fun lol


So it threw it on wot 1 lmao back at the dealer now basically I'm leaving the Cobb on the car, are the various mods distinguishable from "tuner code" ie can they go oh that's a cobb car, thats a dinan car, that's a proceed and so on? Not that it matters cause if they void all my coverage nothing I can do because it will only throw codes on WOT.

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      03-27-2013, 04:58 PM   #7142
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2a2d code. low lpfp

Hey guys, I am currently running a custom e30 map made on ATR and the car feels great and my logs look good except for fuel pressure. I haven't gotten a CEL but checked codes the other day and had 2aaf (fuel pump plausibility.. which I have had for a while) and 2A2D (low LPFP). I did some logs and my LPFP is def low especially under load. Even at idle it is sometimes not in the 70's (usually after a few WOT runs) as it should be. It actually dipped into the 20's on a couple logs. From what I can see the my trims don"t look bad, although the probably could use some adjustment, and my AFR seems in check. I am at a loss as to what is going on. I have attached a log to see if anyone has any idea as to what is going on. I also thought it could be the lfp sensor going bad? Any ideas are appreciated... Thanks!
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File Type: zip datalog40.zip (2.2 KB, 17 views)
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      03-27-2013, 08:53 PM   #7143
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Hey guys, I am currently running a custom e30 map made on ATR and the car feels great and my logs look good except for fuel pressure. I haven't gotten a CEL but checked codes the other day and had 2aaf (fuel pump plausibility.. which I have had for a while) and 2A2D (low LPFP). I did some logs and my LPFP is def low especially under load. Even at idle it is sometimes not in the 70's (usually after a few WOT runs) as it should be. It actually dipped into the 20's on a couple logs. From what I can see the my trims don"t look bad, although the probably could use some adjustment, and my AFR seems in check. I am at a loss as to what is going on. I have attached a log to see if anyone has any idea as to what is going on. I also thought it could be the lfp sensor going bad? Any ideas are appreciated... Thanks!
Have you tried running less agressive map to see if you throw codes? E30 is a BETA race map isn't it? What mods do you have? If you still under warranty try to have your LPFP and HPFP replaced under a recall. I had mine done. I think even if you are not under warranty BMW might still do it under the racall.
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      03-27-2013, 10:39 PM   #7144
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Hey guys, I am currently running a custom e30 map made on ATR and the car feels great and my logs look good except for fuel pressure. I haven't gotten a CEL but checked codes the other day and had 2aaf (fuel pump plausibility.. which I have had for a while) and 2A2D (low LPFP). I did some logs and my LPFP is def low especially under load. Even at idle it is sometimes not in the 70's (usually after a few WOT runs) as it should be. It actually dipped into the 20's on a couple logs. From what I can see the my trims don"t look bad, although the probably could use some adjustment, and my AFR seems in check. I am at a loss as to what is going on. I have attached a log to see if anyone has any idea as to what is going on. I also thought it could be the lfp sensor going bad? Any ideas are appreciated... Thanks!
Your LPFP is in the process of crapping out on you and it's unable to keep up with the E30 fueling mix. My advice would be to look into a LPFP upgrade. Whether it be the DIY inline boost-a-pump, the in tank Walbro 455lph pump or the Vishnu setup. Although, IMHO, the Vishnu setup is over priced by a pretty wide margin...
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      03-28-2013, 12:54 AM   #7145
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Hey guys, I am currently running a custom e30 map made on ATR and the car feels great and my logs look good except for fuel pressure. I haven't gotten a CEL but checked codes the other day and had 2aaf (fuel pump plausibility.. which I have had for a while) and 2A2D (low LPFP). I did some logs and my LPFP is def low especially under load. Even at idle it is sometimes not in the 70's (usually after a few WOT runs) as it should be. It actually dipped into the 20's on a couple logs. From what I can see the my trims don"t look bad, although the probably could use some adjustment, and my AFR seems in check. I am at a loss as to what is going on. I have attached a log to see if anyone has any idea as to what is going on. I also thought it could be the lfp sensor going bad? Any ideas are appreciated... Thanks!
Your LPFP might not be supporting the amount of E85 you're using. Look into upgrading your Lower pump soon if you're going to be running ≥E40.
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Have you tried running less agressive map to see if you throw codes? E30 is a BETA race map isn't it? What mods do you have? If you still under warranty try to have your LPFP and HPFP replaced under a recall. I had mine done. I think even if you are not under warranty BMW might still do it under the racall.
The dealer only hasa recall on the HPFP.
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Your LPFP is in the process of crapping out on you and it's unable to keep up with the E30 fueling mix. My advice would be to look into a LPFP upgrade. Whether it be the DIY inline boost-a-pump, the in tank Walbro 455lph pump or the Vishnu setup. Although, IMHO, the Vishnu setup is over priced by a pretty wide margin...
+1.
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      03-28-2013, 08:43 AM   #7146
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READ THIS THREAD AS IT MIGHT NOT BE LPFP.
http://www.e90post.com/forums/showthread.php?t=589990
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      03-28-2013, 11:35 AM   #7147
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READ THIS THREAD AS IT MIGHT NOT BE LPFP.
http://www.e90post.com/forums/showthread.php?t=589990
If you're talking about a connection or hose coming loose in the tank that is possible. However, either way a fix will require the pump to be pulled anyway. If I have the pump out I would just throw the Walbro 455lph in there just to be done with it and not have to worry about running out of low pressure fuel. Besides, it's only like $260 with install kit.
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      03-28-2013, 03:53 PM   #7148
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Think my baby is fixed (hose disconnected) I just worry about the techs having access to my car and getting to go WOT when it isn't properly warmed up like I do it

If I'm not mistaken Stage1+FMIC aggressive is a lot of PSI to go cold WOT
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      03-28-2013, 03:55 PM   #7149
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Have you tried running less agressive map to see if you throw codes? E30 is a BETA race map isn't it? What mods do you have? If you still under warranty try to have your LPFP and HPFP replaced under a recall. I had mine done. I think even if you are not under warranty BMW might still do it under the racall.
I was waiting to run most of the e30 out of the tank before I switched back to a gas map. I am not using the ots e30 beta maps as I do not have downpipes, I made a less aggressive map on ATR. I'll have to see what it looks like on a gas map over the weekend.
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      03-28-2013, 04:06 PM   #7150
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Your LPFP is in the process of crapping out on you and it's unable to keep up with the E30 fueling mix. My advice would be to look into a LPFP upgrade. Whether it be the DIY inline boost-a-pump, the in tank Walbro 455lph pump or the Vishnu setup. Although, IMHO, the Vishnu setup is over priced by a pretty wide margin...
I was afraid of that, but was surprised I wasn't running lean and still had trims in check. I have looked into both options (not Vishnu... Its def overpriced) but if the pump is on the way out I guess the only thing to do would be replace it completely with the Walbro. You mentioned it was $260 with the install kit. I haven't seen the kit.. only the pump. I have no problem putting a fuel pump in but am a bit nervous about splicing wires in my fuel tank. Do you have a link or know where I can find info on the complete kit? I have just seen BMS's DIY using the Walbro pump and various connectors, hoses, etc... Once again... thanks and I am loving the ethanol map... other than this hiccup. lol

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READ THIS THREAD AS IT MIGHT NOT BE LPFP.
http://www.e90post.com/forums/showthread.php?t=589990
Thanks for the info. I'll def look into that while I'm in there. Either way I guess I'll throw a Walbro in so I can run more ethanol, Love the stuff!!
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