08-31-2016, 07:52 PM | #67 | |
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I'd prefer linear throttle of comfort mode wo overboost for the track and perhaps have overboost enabled in sport mode for show boating !!!
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08-31-2016, 09:07 PM | #68 |
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http://www.n54tech.com/forums/showpo...9&postcount=46
Here i posted map4 logs from today after Bee Pee advice.
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08-31-2016, 09:34 PM | #69 |
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Echoing others here. Run stock map, log, run map 1, Log then run an e30 blend on map 2 and Log. Don't run the others yet. Additive targets over map 2 are too high and you'll be prone to knock and fueling issues. You'll just be creating heat.
Weird finding today though. I am full bolt on right now. I had been running with the MAF plugged in and everything was fine, spikey logs that need some tuning but fine, I was targeting 4 psi over stock on map 1(17-20psi). I decided to try mafless again, this smooths out the power band and low speed behavior. It runs off the wideband 02. What's weird is now the DME is targeting around 9psi where it used to be targeting about 13-14 in stock form. This leads me to believe that running mafless in the M2 disables overboost and you are left with similar boost targets to the m235i, so no overboost it seems. The DME just backs off. The car runs great and this isn't such a bad thing, it hits it targets just fine they are just lower, the huge midrange surge is gone but that can be tuned in, Before it was inevitable. I'll see what Terry makes of it. |
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09-01-2016, 06:58 AM | #70 | |
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09-01-2016, 01:18 PM | #71 | ||
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Net-net the power will be the same, but it will be more consistent and easier to tune.
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09-02-2016, 09:23 AM | #72 | ||
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09-02-2016, 09:27 AM | #73 | |||
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09-06-2016, 07:32 AM | #74 | |
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Do you have any Map4 logs ? After having JB4 w/o EWG wires (3 months) and now plugging them in here's what Terry has to say about my Map4 and Map5 logs "I don't see why it would be over target on map4 with the EWG connector installed. I'd just remove the EWG connector, doesn't look like its doing much for your situation, anyway." "Not sure what is going on there. You could remove the EWG connector to see if the problem persists. No reason map4 should not be right on target." Map5 = Same problem. Boost is over target for no reason. Maybe someone in SoCali can drive to his shop for some testing ? I'm waiting for a proper Flash tune desperately and it should be what our cars need a backend flash/full flash if one wants instead of the same ol' trick or trick lol.
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09-08-2016, 10:32 AM | #75 | ||
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Here's a log from yesterday. PID set to 8 versus 10. E30 mix 3rd gear about 90 degrees outside. The first is with IGN-1. My average IGN learned down to 0.1 Second is with the FP-H value that I was having trouble with. This log looks great for some unknown reason. There's some throttle closure early in 3rd gear from under 3k from MDM mode traction control. |
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09-08-2016, 10:38 AM | #76 |
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Here's an example of a large dive In the HPFP on map 2. Pulls like hell until it dumps fuel. TBI, meth or port injection is really needed. If that was in place I'm sure it wouldn't have a problem peaking at 21psi in map 2. Our kill map so far.
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09-08-2016, 12:04 PM | #77 |
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Ok, so what's the consensus?! Is the JB4 not worth getting because of the limited increases possible due to the turbo?
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09-08-2016, 01:11 PM | #78 | |
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09-08-2016, 03:09 PM | #79 |
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Alright, my fresh new JB4 arrived today and I just installed it.
I had just a quick test run, as I live in city center so not in position to properly test it. Right now I'm running standard map1 with probably good 93 fuel as I managed to connect just MAP and TMAP plugs there is way more response in mid range, traction can be broken even easier now. I have to do at least an hour of drive and see how I like it. Honestly not in a best mood to bring some conclusion, but I think it's worth it compared to other competitors. If I find a chance, I will go to local dyno and do couple of runs with stock and map1 and post the results. |
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09-08-2016, 04:21 PM | #80 | |
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09-08-2016, 05:10 PM | #82 | |||||
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my PID were at 10 always, I even tried 12 last night on my last logs where I almost took off EWG wires to compare. My FP_H are pretty good actually ; this is on map4 ? EWG wires on or off? Quote:
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start your thread here http://www.n54tech.com/forums/forumdisplay.php?f=35 Terry and Steve will look
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09-08-2016, 05:16 PM | #83 |
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Try to find someone that sources C16 over there and mix it with pump fuel.
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09-08-2016, 05:21 PM | #84 | ||||||
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09-08-2016, 06:39 PM | #85 |
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EWG wires on or not ?
Can you post some Map4 logs i want to see if your boost is over target like mine My car was over boosting a little but now with EWG wires is worse thats when I started noticing boost spikes in map4. "Not sure what is going on there. You could remove the EWG connector to see if the problem persists. No reason map4 should not be right on target. This image right here is on a Dyno you can see my map4 Terry thinks maybe bmw will do a software update to correct it or its some factory flaw ?
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09-09-2016, 10:14 AM | #86 | |
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09-09-2016, 10:59 PM | #87 | |
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He said for me to evaluate map2, with the current firmware and FUA = 80 setting, PID 0 and FF 0. The problem comes up at higher RPM when doing sustained runs, but what i'm clearly seeing is the Throttle Closures and of course the factory Overboost
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