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BMW 3-Series (E90 E92) Forum
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All COBB Tuning AccessPORT Flash for N54 335i Discussion Here
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01-20-2013, 02:32 PM | #6866 |
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Drives: '09 E92 335i
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Location: Cardiff-by-the-Sea, CA
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Cobb SoCal Custom Tune for ACN 91 + FMIC
I took my '09 E92 (7000 miles) to Cobb SoCal for a custom tune. My goal was to get more power than the daily driver map on ACN 91, as the OTS Stage 1 Sport maps have been shown to be too aggressive for ACN 91. My only pertinent mod was an AA Sport FMIC (car also had Dinan CAI, Forge DVs, and PE, but didn't consider those game changers).
I should mention that I'm not planning on installing downpipes or running meth, E85, etc. I'm just interested in safely improving on the stock configuration with my current mods and ACN 91. One question I have, however, is do you guys agree with the tuner in running AFR richer for the custom tune? Does that help with temp/efficiency/power when turning up the boost? The runs were done on a Mustang Dyno with Run 1 = Daily Driver OTS Map; Run 2 = Custom map; Run 3 = Cobb "Stock" Map. The attachment below is the corrected numbers. The corresponding uncorrected numbers were: DD 295/339; Custom 308/356; Stock 266/287. Temp was low '80's outside and mid 70's in ventilated Dyno enclosure.
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01-22-2013, 02:46 PM | #6868 |
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I believe the fob records everything each time you start the car/insert it. I uninstall cob first, then complete an ignition on/off cycle with the fob to reset whatever's on it. My dealer is middle of the road when it comes to mods, and i've now had the car in 3 times since I purchased the Cobb, zero issues related to the tune.
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E88 N54 Alpinweiss/Coral Red/Motiv HTA 3586r Tial .82AR/Other stuff...652WHP
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01-22-2013, 03:19 PM | #6869 | |
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Other issue is if I uninstall - there are certain values that wont show up until the car is driven a few 100 miles..... Any input appreciated!! |
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01-22-2013, 03:31 PM | #6870 | |
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01-22-2013, 03:42 PM | #6871 | |
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01-23-2013, 10:17 PM | #6872 |
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Can anyone from cobb tell me if i'm stateing a fact please. Car is a dealer for P3OFE and would help if I can lead them in the right direction. Thanks
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01-24-2013, 03:13 PM | #6873 |
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Drives: 335i Coupe
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does anybody know
cobb stage 1 hp/tq/whp agg 93 stage 1+ hp/tq/whp agg 93 stafe 2 hp/tq/whp agg 93 stage 2+ hp/tq/whp agg 93 just give me an idea roughly.. i searched few and have no info for stage 1+ upgrading to stage 2+ next month.. |
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01-27-2013, 10:12 PM | #6874 |
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I have a problem. I tried to change map and it says Cobb is not installed in my car. so I went to uninstall so hopefully I can reinstall and it still says Cobb is not installed. this is what I got.
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01-27-2013, 10:22 PM | #6875 |
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Yikes, have you tried reinstalling the same map that's loaded or a non-performance map? You can also try locking your doors and letting the car sit for about 20m before trying again. It could be a hardware issue with your AP. I wouldn't be worried, Cobb will take care of you if you can't get it working, their support is amazing.
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01-27-2013, 10:42 PM | #6876 | |
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01-28-2013, 10:03 AM | #6877 |
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I would be shocked to hear that Cobb did not help you, have you talked with their tech support?
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01-28-2013, 10:28 AM | #6878 |
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Called Cobbed today and everything will go through fine. Aparently I never uninstall my Cobb when going into dealers so they may have flashed over my Cobb. fail. I go into dealer FBO all the time under warranty because im cool with my tech and service advisory but I just hit 50k miles so i'll be doing all my stuff. Cobb wants me to send the AP to them and they will redo my AP and i'll have it back soon. your right, their support is top notch.
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01-28-2013, 12:12 PM | #6879 |
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All that info is on Cobb's website
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01-28-2013, 12:31 PM | #6880 |
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01-28-2013, 01:27 PM | #6881 | |
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Quote:
http://www.cobbtuning.com/BMW-N54-Ac...01/power-gains
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SOLD:: PTF Pro eTune by Dzenno / COBB S1+ E50 Alpina B3 Flash / ETS FMIC / ER CP / CPE DCI |
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01-28-2013, 10:15 PM | #6882 |
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Drives: '08 E92 335i
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My personal Cobb wish list:
Are these realistic or should I just keep my procede and stack it with the Cobb if I want these features? Would strongly strongly strongly prefer to remain Cobb-only. Thanks! |
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01-29-2013, 11:04 AM | #6883 | |
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(1) Almost certainly not going to happen. That would require external hardware for the Flexfuel sensor to integrate with the DME and then recoding the DME to reference additional sensor output when targeting timing. (2) Cobb has stated they have no interest in rewriting the DME for boost targeting. IMHO load targeting is a better(if not easier) means of tuning anyway. (3) Definitely a possibility. IIRC Cobb has actually been working on flipping the DME WG control logic. I have no idea how much progress they've made though.
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01-29-2013, 11:30 AM | #6884 | |
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I guess my only issue with the load targeting is that the car doesn't seem to make load targets aside from 3500-4500rpm... is that just because of the tiny stock turbos/turbines? Would a Cobb tuned car with large turbos make load targets all the way to redline? If so, then yes I agree with you. |
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01-29-2013, 05:12 PM | #6885 |
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Like I have pointed out to them, there's nothing wrong with load targeting if you can actually use it without getting weird behaviors due to exceeding boost targets in the code that we have no control over.
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01-29-2013, 05:20 PM | #6886 | |
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When you are below load targets how does your requested boost vs boost mean abs look? If you are below boost target then you can a little WGDC into the base table and get actual closer to target. However, like Carl morris just kind of alluded to, i think part of the tuning strategy Cobb uses is to keep load a little under target so as to prevent weird side effects some people are seeing.
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