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All COBB Tuning AccessPORT Flash for N54 335i Discussion Here
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06-16-2013, 01:39 PM | #7943 |
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Thoughts on this E30 log? The boost seems unusually aggressive in this particular example, the overshoots I can dial out in ATR if that's the only cause. This is a fairly "noisy" E30 log for me, most of my recent logs have been pretty spot on. This pull didn't cause a misfire or any codes, just doesn't seem totally dialed in.
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06-16-2013, 02:44 PM | #7944 | |
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As far as timing corrections go, anytime you are running an aggressive map you will see occasional corrections. It's just how it goes. If the worst you see is one or two cylinders make a 3.xx then you're absolutely fine. In the summer months it kind of becomes an unfortunate choice between trying to maintain the same level of performance or just backing off a little bit to make life easier on the turbos. For a DD map in the summer on meth I usually run a tune with peak boost of about 15psi holding 12.5psi to redline running a timing curve similar to what the E30 map runs, it definitely doesn't have the same kick in the ass torque 18psi does but the timing helps to make the car feel responsive and lively. In all honesty i'm probably overly cautious about turbo life(especially since I've already decided to pick up some hybrid turbos) but that's just how I am.
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06-16-2013, 03:08 PM | #7945 |
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That all makes sense, thanks for the detailed response. I'm coming to the realization that meth is going to be a necessary part of my plans due to the charge temp issue, there's really no way around that even if the E85 is holding down in-cylinder temps. So at the very least, the cooling that meth will provide should make the car happier when it gets hot and humid out. There's no reason I should be surprised by this, I was just experimenting with how much E85 could compensate for those issues on meth-less cars. I pulled that log this afternoon, anyone in the area knows it was a muggy day. Even as a DD this car doesn't see WOT more than 2-3 times a week, so i'm not too concerned about aggressive peak boost since it won't be seeing it that often. OK off to ATR thanks again
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06-16-2013, 09:56 PM | #7946 |
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Hey checked LPFP and shows ~72 so i guess thats good.
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06-16-2013, 10:09 PM | #7947 |
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E85
Just ran e85 for the first time with Cobb OTS E30 map......holy crap now I know what all the talk is about. I couldn't believe it. I'm for sure going to invest in some better tires. The evo 12's are good but even heated up and with my LSD the tires aren't hooking up to well on boost. A lot of my buddies run the michilen PSS so ill try those. I don't have E85 to close to me but had to make an out of town trip and mapped a station on the way. Switching the map with the cobb was easy and quick. I've heard people say it takes a while but I started the switch while I was topping off with 91 by the time I was done cobb was done. Anyway just had to tell you guys switching to cobb has been the best mod so far I've done. Gonna due some data logging to make sure the car is doing well. I've read here that guys run more than 30% is there much more power running A higher % or should I just pro tune with 30?
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06-16-2013, 11:17 PM | #7948 | |
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By the way mine just threw some fuel pump codes running about E27... I would not go over E30 w/o an LPFP upgrade... Although I know some on here are running like E40/E50 on the stock pumps... Myself I hate CEL's though
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06-16-2013, 11:26 PM | #7949 | |
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06-17-2013, 07:07 PM | #7950 | |
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I read that is the evo2 which takes more cutting them evo1. Pictures even suggested more to cut when there's none left. Search Wagner evo2. Chris |
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06-17-2013, 07:26 PM | #7951 | |
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06-17-2013, 08:29 PM | #7952 | |
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Last edited by Florida650iGC; 06-17-2013 at 08:37 PM.. |
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06-17-2013, 08:43 PM | #7953 | |
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I am damn lucky I had my AP with me when I was doing that road trip. Was able to pull over, check and clear the codes, reflash to map 0 (Due to the F***ING BOOST LEAK FROM THE STUPID HELIX SHIT HARD PIPE WHICH DOES NOT SEAL TO THE STOCK CP). One of the Codes said "Fuel Pump, plausible" The other said Boost Leak. Sure enough leak is coming from the POS (non existent really) seal between stock CP and their J pipe. Stock has a fat rubber o ring in there, Helix has nothing.... Jeez I wonder why it leaks... And NO I don't want to put a CP on it yet because i am still under CPO and already pushing that envelope far enough. Also the tabs on it look like they would properly locate it, and also it holds the bottom of the rad fan in place. Even if it requires a shit load of cutting I'd still rather have it for all those reasons than the helix. Helix ended up not being "No Cutting" anyways... Now I am literally going to have to try to fix this with "The Right Stuff" and hope it holds the next 9 months or so of CPO till i can throw on the 09+ long ER one with a BOV. Unless anyone else has a better idea than "The right stuff". It's a small leak, but enough to throw a CEL on map 1+S. Right stuff is supposed to be good up to 450* continuous operation temp, and resistant to oil.
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06-17-2013, 08:50 PM | #7954 | |
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Was that six weeks straight of running E30 blend? From what i've read to date people were suggesting alternating (cycling) E85 with gas to clean out the system every so often. |
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06-18-2013, 12:04 AM | #7955 |
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I've been running more like E25 but yea. I had it a little hotter than my usual blend when it happened. Been running just 91 since, mostly because of the boost leak and being on stage 0 though
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06-18-2013, 08:33 AM | #7956 |
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Ok, we're you just using E85 as an octane bump for 91? I was going to try that next so I could run stage 2 +fmic aggresive using 2.5/13.5 to get me 93 octane.
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06-18-2013, 08:06 PM | #7957 | |
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The car LOVES the mix, other than the fuel pump that it. You can definitely feel crisper throttle response with the blend. If we had 93 here I'd just run that, but no such luck in the SW.
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06-19-2013, 10:14 PM | #7958 |
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Is there any negative to buying a used COBB AP? Other than user wear which would be cosmetic, is there anything that you don't get with a used one that you get new?
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06-19-2013, 10:53 PM | #7959 | |
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check the cable and the connection to the AP.
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06-20-2013, 08:10 AM | #7960 | |
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06-20-2013, 08:46 AM | #7961 |
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What part of Ca? In the Sac Valley we have several. And yes, E25 might just do it with ACN 91 for S2+. Log trims so you are not going near or oner 34.
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06-20-2013, 11:42 AM | #7962 |
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SoCal the nearest station to me that I've found on the E85 website is 30 miles from me. I thought over the years there would be a lot more. I will definitely log to be sure the car is happy. Didn't understand the last part of your post the 34 comment.
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06-20-2013, 11:49 AM | #7963 |
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Fortunately I live a few minutes from Cobb's tuning facility in Huntington Beach. Unfortunately, they always have a consistent 2-3 week out appointment time. Anyone have dyno proof or other info when they were OTS AP vs pro-tuned? Car runs great as it is right now, hence why I'm not in a rush.
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06-20-2013, 11:52 AM | #7964 | |
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