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BMW 3-Series (E90 E92) Forum
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1st COBB/JB N54 in 11s - goes to Canada ;) - 6MT too
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09-15-2011, 07:29 PM | #67 | |
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![]() '07 BSM 335xi JB4, DCI, CX Racing I/C, ER Chargepipe, Meth, KW V3 - Pending Sale '95 Mustang GTS 347ci Ported TFS TW Heads,Custom Cam,Victor 5.0 IM,Tubular Front Suspension,Full Exhaust,Big and Littles |
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09-15-2011, 07:47 PM | #68 | |
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09-15-2011, 08:19 PM | #69 | |
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The misfiring thing, thats unique to his car and I personally thing something is "off" The logging thing, it is only with the recent firmware thats not buttoned up yet due to cobb completly changing the map sensor function. |
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09-15-2011, 08:22 PM | #70 |
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That's some nice results Dzenno.
I just wish that COBB would develop a failsafe integration or something for our cars so that we don't need to stack any other tune on top. Maybe a piggyback module just to control the meth that communicates directly with the AP. I know Rob is a fan of race gas, but I think that to really get the meth junkies aboard the COBB train, you need a meth map. And I for one refuse to run meth without proper failsafes. |
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09-15-2011, 08:49 PM | #71 |
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Good info dzenno and nice runs. Can't wait for cobb to get stage 2 finalized and start working on those upgraded turbo/meth/race maps for some records. Well, actaully, them not having them out is the only reason I havent pulled the trigger on some RBs. Hopefully by next summer.
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09-15-2011, 10:20 PM | #72 | ||||||||||||
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![]() Last edited by dzenno; 09-15-2011 at 10:40 PM.. |
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09-15-2011, 10:31 PM | #73 |
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So, here's the logs of what actually went down last night...take a look at boost, boost targets, DME (flash) boost target, meth and timing...you'll see that meth is hitting "2" on the graph when it should be hitting "6"...so jb4 doesn't up boost by more than 1-1.5psi progressively at best...first graph shows just cobb stage 3, second graph shows cobb with jb4 adding a bit of boost but very little and not enough to flat out that boost curve as there wasn't enough meth according to the meth flow sensor...
Cobb stg3 only (basically a pump gas tune): ![]() Cobb with JB4 adding a bit of boost on top when it sees meth flow but only a bit...you can see exactly how much boost was added by looking at DME BT (cobb's flash target) and Target (JB4's boost target) as well as Pre-Boost (actual boost that was being hit)...you can see timing went to shit here in 4th gear, post shift, as boost was too high and engine was too hot probably as meth wasn't there... ![]() You can also see that IATs didn't come down but kept creeping up meaning meth indeed wasn't flowing fully because if it was IATs would've been stable and not rising through the pull...had I not run meth and had the JB4 just up boost ignoring the meth flow sensor it might've been bye bye to my motor last night but this way it'll die another day ![]() Oh, and WHO changed the title of my thread and added JB to it as well LOL ![]() Last edited by dzenno; 09-15-2011 at 10:52 PM.. |
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09-15-2011, 11:37 PM | #74 |
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god those crayon jb logs are ridiculous to look at. I think my 6 year old cousin drew logs very similar to those once - but they were a bit more smooth
![]() can't you bring that data into excel or something and graph it out better? Last edited by jpsimon; 09-15-2011 at 11:46 PM.. |
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09-15-2011, 11:47 PM | #75 | |
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09-15-2011, 11:51 PM | #76 | |
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![]() I can see lines.. lines everywhere.. Nice run though. |
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09-16-2011, 02:46 AM | #79 |
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Nice going dzenno. I am not sure why you trying to reinvent the wheel by going the flash route. I think thus far I am the only person that has run a eleven with a flash tune only. The tuning part was effortless. I then plugged in the Procede and ran near identical times.
Deleting fault triggers is like a pandoras box. At this stage you have done your thing for the misfires but how do you know your tuner is not clearing other things along the way to make the flash work on the larger turbos?
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09-16-2011, 03:05 AM | #80 |
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Great run indeed, a lot of posts have been deleted or what as i see Dzenno replying to posts that i didnt come across. Anyway the haters can go away. Im excellent at reading Jb4 logs and these look good.
No matter what time you got or traps, man i would never contribute or test the fuck out of my car as much as you or the time you put in, do you have a job? lol
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09-16-2011, 03:06 AM | #81 | |
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![]() COBB S2+ - Mr.5 CAI, Catless DP, Catless MP, AMS FMIC. |
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09-16-2011, 03:10 AM | #82 |
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09-16-2011, 03:15 AM | #83 |
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Just curious what time is it where you are now?
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![]() COBB S2+ - Mr.5 CAI, Catless DP, Catless MP, AMS FMIC. |
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09-16-2011, 07:53 AM | #84 |
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Good job! I know how frustating it can be tuning a car. But those times are very impressive, especially the mph.
I been stuck in the low 11's for ever and I cant wait to get into the 10's in my car. Hey I see youre a Mostar fan, are you from Bosna?
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09-16-2011, 08:04 AM | #85 | |
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![]() ![]() ![]() any how nice write up it was nice to see you that night and to see that beast in action. hopefully once you get all those little glitches fixed i will get to see 10s ![]()
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08 335i | Space Gray | Burl Walnut Wood Trim | Sport pkg | Premium Pkg | LOGIC7 | Navi | Comfort Access
| COBB | Injen DCI | Active Autowerke | Sonic Tuning | E92 Lighting | ER | HKS | BMS | Ground Control | Vortex Tuning | |
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09-16-2011, 08:18 AM | #86 | |
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08 335i | Space Gray | Burl Walnut Wood Trim | Sport pkg | Premium Pkg | LOGIC7 | Navi | Comfort Access
| COBB | Injen DCI | Active Autowerke | Sonic Tuning | E92 Lighting | ER | HKS | BMS | Ground Control | Vortex Tuning | |
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09-16-2011, 08:21 AM | #87 | |||
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Question to you is how do you trust your piggie with AFRs when I know for a fact that on high boost you'll have leanruns? Let's please not go there in this thread and I don't want to participate in that convo, just do some high boost logging on a piggie and check for yourself what happens with AFR at initial throttle stab as well as post shift. Quote:
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09-16-2011, 08:25 AM | #88 | |
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![]() Everyone, this is the man who's seen my boost logs up front ![]() ![]() |
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