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All COBB Tuning AccessPORT Flash for N54 335i Discussion Here
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08-12-2013, 12:04 AM | #8141 | |
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As far as fixing the overboost (which was minor) you are going to want to massage your "WGDC Base" table as a starting point. Multiply your table by .9 to scale it down 10%. If throttle closures still show up go ahead and log "MAF requested WGDC" and "Boost Setpoint Factor", post it up here, and we can go from there. |
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08-12-2013, 07:59 AM | #8142 |
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Yea I log it on every ethanol log I pull. Actually I think I posted up a really recent log on the previous page of this thread, that log is pretty clean. Generally speaking I see LPFP PSI dip to the low 50s approaching peak boost, but it holds up well enough and HPFP PSI doesn’t get dragged down too badly. This is with E30 and pump as the only fuel, meth hasn’t been installed yet while I figure out SS lines. Ultimate goal on stock turbos is E40 + Meth; until we get more definitive long-term testing on high E85 concentrations I’m a bit hesitant to run E50+. Not to mention the 6AT puts a practical cap on the type of torque I can run midrange once meth comes into the equation.
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E88 N54 Alpinweiss/Coral Red/Motiv HTA 3586r Tial .82AR/Other stuff...652WHP
F30 N55 XDrive EBII |
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08-12-2013, 09:07 AM | #8143 | ||
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2009 E92 335i M-Sport - MHD Stage One - BMW Performance Exhaust - BMS Oil Catch Can - CDV Delete - K&N Panel Filter - Arc Angel H8 bulbs - Gloss Black Kidney Grills - Painted Reflectors - VRSF Charge Pipe
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08-12-2013, 10:02 AM | #8144 | |
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Sounds good. |
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08-12-2013, 10:10 AM | #8145 |
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No problem. Let me know if there’s anything concerning you see in the log, or if there’s other context on my end that would be helpful for whatever you’re trying to look into. I’m always trying to learn more.
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E88 N54 Alpinweiss/Coral Red/Motiv HTA 3586r Tial .82AR/Other stuff...652WHP
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08-12-2013, 01:48 PM | #8146 |
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Your HP and LP look very similar to mine, but the problem is i'm running 93 when this happens. Trims are lower than yours with a scalar of 1.000, but that's expected. Do you throw any fuel codes? The only one I'm getting is 2AAF. AFR's are on point as are yours. Your log looks pretty good.
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08-12-2013, 02:39 PM | #8147 | |
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I guess I’d just say that if you’re good on AFR, and good on trim…I wouldn’t worry too much about pump PSI. Could just be your stock pumps getting a bit tired, my LPFP is probably in the later stages of its life. So long as HPFP PSI isn’t tanking and the car is at a healthy AFR, it would seem things are more or less OK on the fuel delivery front, no?
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08-12-2013, 02:59 PM | #8148 | |
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Correct, the only issue is LP dropping. HP, trims and AFR are all fine. |
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08-12-2013, 06:51 PM | #8149 | |
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08-12-2013, 07:54 PM | #8150 |
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Not that I'm aware of, but they're probably fine. It's the vacuum hoses to/from the reservoirs that feed the WGAs that you want to check out from what I've heard.
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08-12-2013, 09:05 PM | #8151 | |
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Anybody have part numbers or an auto zone equivalent or the hose measurements before I go digging? |
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08-12-2013, 09:54 PM | #8152 | |
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I was running nevada 91 ACN fuel.... |
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08-13-2013, 10:33 AM | #8153 |
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I'm hoping someone who has done it will chime in, but it's all the hoses connected to the vacuum canisters in the front passenger side of the engine bay. They say that the ones that cross over the front of the motor (that supply manifold vacuum to the canisters) tend to be likely to leak as the years go by.
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08-14-2013, 03:27 AM | #8154 | |
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08-14-2013, 08:33 AM | #8155 |
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These codes keep coming back even under granny style driving. I checked the position of the O2 sensors and black ones are on the front pipe, grey-on the rear. Running stg 2+ agr. Codes are: 2098
2271 2c32 2c6b |
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08-14-2013, 10:21 AM | #8156 | |
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08-14-2013, 11:17 AM | #8157 |
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Need help with codes
Running stage 1 aggressive with afe intake. These are the codes that were triggered:
P0302 P29f3 P29ce Can anyone help me with what they are? Any help is much appreciated. |
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08-14-2013, 11:25 AM | #8158 |
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08-14-2013, 12:58 PM | #8159 |
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08-14-2013, 02:40 PM | #8160 | |
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29CE misfirings, cylinder 2 not sure what the top one is. clear this with cobb and see if they come back. If the this tune triggered this misfire, then you should go through the misfiring steps. http://www.e90post.com/forums/showthread.php?t=631829
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08-14-2013, 03:23 PM | #8162 |
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