[335e92tx]

Originally Posted by dannybeckett

OK cheers guys, that clears things up. The timing intervention is very sharp. Reason why I'm asking is that I've just repaired my own wastegates, installed a large FMIC and DPs and installed MHD low octane map 2+. I've noticed the timing gets pulled on some cylinders sometimes:

https://datazap.me/u/dannybeckett/co...10-11-12-13-24

But everything else looks okay to me. Do you guys recognise the signature of that -3 degree correction on cylinder 4?

eh, just random. You could move that plug and coil to another hole and see what happens. That retard isn't bad. It backs off and returns to 0 pretty quick. They will be a little worse after a shift (especially if you are close to load targets) so you might want to try to get a log with a shift in there and keep an eye on it.


Also would not hurt to reset your fuel/Air and also lambda adapts. Your short term trims are little high since you did all those mods at once and changed maps.

You have a little delta there with target boost and mean.. but not too bad.. might want to check all couplers.

[dannybeckett]

Originally Posted by 335e92tx

eh, just random. You could move that plug and coil to another hole and see what happens. That retard isn't bad. It backs off and returns to 0 pretty quick. They will be a little worse after a shift (especially if you are close to load targets) so you might want to try to get a log with a shift in there and keep an eye on it.


Also would not hurt to reset your fuel/Air and also lambda adapts. Your short term trims are little high since you did all those mods at once and changed maps.

You have a little delta there with target boost and mean.. but not too bad.. might want to check all couplers.

Great, thanks for the insight. It seems like the DME is still in its adaptation phase too, the corrections seem to be lessening. I'll keep running and keep my eye on thins over the next couple weeks.

Just a little more on the boost target / actual - that delta isn't the worst one I've had recently:

https://datazap.me/u/dannybeckett/fi...=1&data=3-6-24

I'm quite a way off here - recon there's a boost leak somewhere?

[335e92tx]

Originally Posted by dannybeckett

Great, thanks for the insight. It seems like the DME is still in its adaptation phase too, the corrections seem to be lessening. I'll keep running and keep my eye on thins over the next couple weeks.

Just a little more on the boost target / actual - that delta isn't the worst one I've had recently:

https://datazap.me/u/dannybeckett/fi...=1&data=3-6-24

I'm quite a way off here - recon there's a boost leak somewhere?

Can't be too bad. You had it floored at like 1600 rpm and its building boost as quick as it can until 2000. And if you didn't get a 30ff fault as its spooling the DME must not be unhappy. I think it basically keeps up with how long target is deviated from mean and if its too long it goes FF. It often happens in that 2000-3000 bc thats when all the boost really comes on most times..

[rkundrat]

I was getting timing corrections across the board on the stage 1 93 OCT map. I replaced the coils, tried a different gas station, no dice.
https://datazap.me/u/rkundrat/log-15...11-12-13-14-24

I then flashed the 91 OCT map and put 3 gal of E85 in:
https://datazap.me/u/rkundrat/mhd-91...11-12-13-14-24

Corrections are all but gone (damn 5!) but felt the major hesitations between 4500 and 5500 that are evident on the map. I'm going to try going back to the 93 map and see if this fuel mixture helps. Any thoughts on that 4500-5500 behavior?

[335e92tx]

Originally Posted by rkundrat

I was getting timing corrections across the board on the stage 1 93 OCT map. I replaced the coils, tried a different gas station, no dice.
https://datazap.me/u/rkundrat/log-15...11-12-13-14-24

I then flashed the 91 OCT map and put 3 gal of E85 in:
https://datazap.me/u/rkundrat/mhd-91...11-12-13-14-24

Corrections are all but gone (damn 5!) but felt the major hesitations between 4500 and 5500 that are evident on the map. I'm going to try going back to the 93 map and see if this fuel mixture helps. Any thoughts on that 4500-5500 behavior?

You should reset adapts since you changed maps - especially since you backed down. Id drive it a while then relog.

[rkundrat]

Originally Posted by 335e92tx

You should reset adapts since you changed maps - especially since you backed down. Id drive it a while then relog.

Oh, thanks. I did drive 200 miles, but didn't reset. Which ones should I do? ALL of them?

[335e92tx]

Originally Posted by rkundrat

Oh, thanks. I did drive 200 miles, but didn't reset. Which ones should I do? ALL of them?

All related to load - should not have to do batt or accelerator (prob not vanos but it would not hurt).

[rkundrat]

Originally Posted by 335e92tx

All related to load - should not have to do batt or accelerator (prob not vanos but it would not hurt).

Thank you.

[Aseneph]

Not too sure what the cause is but it feels like my pulls aren't as hard as they should be. If you can help or give some friendly advice please do.

3rd - 4th Gear Pull DTC Off
https://datazap.me/u/aseneh/mhd-stag...og=0&data=4-16

3rd - 4th Gear Pull DTC On
https://datazap.me/u/aseneh/mhd-stag...og=0&data=4-16

[Sgop335]

Originally Posted by Aseneph

Not too sure what the cause is but it feels like my pulls aren't as hard as they should be. If you can help or give some friendly advice please do.

3rd - 4th Gear Pull DTC Off
https://datazap.me/u/aseneh/mhd-stag...og=0&data=4-16

3rd - 4th Gear Pull DTC On
https://datazap.me/u/aseneh/mhd-stag...og=0&data=4-16

Post in n55 section. Looks like quite a boost leak

[335e92tx]

Originally Posted by Sgop335

Post in n55 section. Looks like quite a boost leak

Yep, what he said. I dont know much about n55s but you got all kinds of delta on boost target vs mean (in 4th it looks a little better - only 2psi). And that means your actual loads are no where near targets. Check couplers first..

And considering the altitude of tulsa (and your baro pressure 14.3 vs 14.7), your right at the point where a custom tune would payoff. Not sure who makes the best tunes for n55s.

You also had almost a 20 degree IAT increase in the 9secs you were on it from 35 to 88. Thats a little high..what IC is on this thing? MHD for n55 should still have a sport option for Waterpump. You could get about 15 degrees lower oil and coolant temps with that set.

[byCloudNine]

Back with some updated engine things
XHP stg3 flash-automatic
MMP STAGE 3 turbo- inlets-outlets
Wagner evo2 performance cooler
Stg2 lpfp
93 octane with 1 gal e85
335i e93

https://datazap.me/u/bycloudnine/col...solo=3&mark=46

Let me know what y'all think!

[335e92tx]

Originally Posted by byCloudNine

Back with some updated engine things
XHP stg3 flash-automatic
MMP STAGE 3 turbo- inlets-outlets
Wagner evo2 performance cooler
Stg2 lpfp
93 octane with 1 gal e85
335i e93

https://datazap.me/u/bycloudnine/col...solo=3&mark=46

Let me know what y'all think!

Eh, not bad. I guess this is a wedge tune? Seems like with the boost you are running that IC just barely keeping up. You went from 77degree IATs to 97 in the 8 seconds you had it floored. Thats a little high..

The other thing I see is right after the 3/4 shift you had some throttle closer. It looks like you exceeded the boost target and the DME didnt like that. Make sure your tuner knows that. HE can prob add a little fuel to bring down IATs a little. I also see short term trims are a little high adding fuel. Id try resetting fuel related adaps and if that doesnt do it your tuner prob needs to increase fuel in the upper ranges - I think thats the scalers.. WGs seem happy, not workin hard to get you the boost. I think some work needs to be done to raise the targets so you dont hit them at the shift.

[Aseneph]

Originally Posted by 335e92tx

Yep, what he said. I dont know much about n55s but you got all kinds of delta on boost target vs mean (in 4th it looks a little better - only 2psi). And that means your actual loads are no where near targets. Check couplers first..

And considering the altitude of tulsa (and your baro pressure 14.3 vs 14.7), your right at the point where a custom tune would payoff. Not sure who makes the best tunes for n55s.

You also had almost a 20 degree IAT increase in the 9secs you were on it from 35 to 88. Thats a little high..what IC is on this thing? MHD for n55 should still have a sport option for Waterpump. You could get about 15 degrees lower oil and coolant temps with that set.

Thanks, I have the VRSF 5.5" Stepped IC. I'll check couplers today.

[cristy7610]

Could someone take a look on this log and tell me if is ok?
I have MHD 2+ FBO,Inlets.

https://datazap.me/u/cristy7610/fbo-...3-5-9-15-17-21

[335e92tx]

Originally Posted by cristy7610

Could someone take a look on this log and tell me if is ok?
I have MHD 2+ FBO,Inlets.

https://datazap.me/u/cristy7610/fbo-...3-5-9-15-17-21

Im thinkin this is a manual trans right? Throttle goes to zero as does accelerator pedal. And as you get back on it (especially when you shift into 5th) thats when all the tricky stuff happens. First, it looks a little lean. Id say thats even more crucial for a manual. As you completely lift off throttle lambda goes to ~ for the period of accelerator closer, then back to slightly rich. So that takes a bit. I Think you might want one of the lag fixes that help keep spool up. Also by the time you go into 5th your intake air temps are comming up to 115.. from starting in the mid 80s. Thats pretty high considering the boost. Adding a little more fuel (especially during spool) can help bring down temps. And it needs a little more up high anyway (like I said).

Now, the real mysterious part is what is happening with timing in 5th gear. You get solid 3+ degree retards for most of the gear. (and cyl#2 looks suspect more than the others - id try another plug/coil in that from another cyl and see if it has more retard than others). I think what his happening here is you are right up against the boost target and sometimes going over that. If the DME is doing load targeting that should not be causing the timing to retard to keep you from going over. So I dont fully understand what might be happening. It might be part related to the intake air temp increase, it might be something related to a timing loop after the shift (also customizable with a tune). The fact that it does drop back close to zero retard (again except for Cyl#2) tells me its not WAY to much boost/timing for the load. So it seems like more of a timing loop issue. But I haven't seen enough of them.

Nothing drastically wrong here. But the manual trans and whatever is going on in 5th might make you a candidate for a custom tune. IT kinda also depends on how happy you are with power. You could get a little more with something other than the OTS map.

[byCloudNine]

Originally Posted by 335e92tx

Eh, not bad. I guess this is a wedge tune? Seems like with the boost you are running that IC just barely keeping up. You went from 77degree IATs to 97 in the 8 seconds you had it floored. Thats a little high..

The other thing I see is right after the 3/4 shift you had some throttle closer. It looks like you exceeded the boost target and the DME didnt like that. Make sure your tuner knows that. HE can prob add a little fuel to bring down IATs a little. I also see short term trims are a little high adding fuel. Id try resetting fuel related adaps and if that doesnt do it your tuner prob needs to increase fuel in the upper ranges - I think thats the scalers.. WGs seem happy, not workin hard to get you the boost. I think some work needs to be done to raise the targets so you dont hit them at the shift.

I hope you realize the throttle closure at the end of a gear shift is normal on an automatic, its the way that this engine holds spool sustained into the next gear to carry over boost.

if the throttle closure happen mid pull, yes i would agree that some tweaking is in order.

IAT temps though, definetly agree that they run high quickly, but if they are managing under 120f theoretically the air is cool enough for the engine to still take in the air to use for effective power.

will be back with PI install =D

[335e92tx]

Originally Posted by byCloudNine

I hope you realize the throttle closure at the end of a gear shift is normal on an automatic, its the way that this engine holds spool sustained into the next gear to carry over boost.

if the throttle closure happen mid pull, yes i would agree that some tweaking is in order.

I really wasn't referring to closers at the end of the specific gear. More something that is happening mid band.

And I know one tuner that specifically said at 120 IAT (and he said 240 water temp) he begins to let timing retard. But, I thought I saw some effect at less than 240 water.

[Aseneph]

Originally Posted by 335e92tx

Yep, what he said. I dont know much about n55s but you got all kinds of delta on boost target vs mean (in 4th it looks a little better - only 2psi). And that means your actual loads are no where near targets. Check couplers first..

And considering the altitude of tulsa (and your baro pressure 14.3 vs 14.7), your right at the point where a custom tune would payoff. Not sure who makes the best tunes for n55s.

You also had almost a 20 degree IAT increase in the 9secs you were on it from 35 to 88. Thats a little high..what IC is on this thing? MHD for n55 should still have a sport option for Waterpump. You could get about 15 degrees lower oil and coolant temps with that set.

Check connections on both ends of IC, lower and upper chargepipe, and even downpipe just because I couldn't find anything loose or not tight. Anything else I should check or look for?

[335e92tx]

naw,, nothing I know of. Id try to generate another log and see how close it looks to the other.. Did you put something on the n55 board?? Did they offer anything ;-)

[aghassemi91]

Hi guy. I was wondering if anyone could take a look at these logs for me and see if you can help me figure out what's going on with my car. I previously had a custom map that was pushing around 18psi and in the 4-5 months that I had the car, I had an IAT code thrown once after 6 hours of very hard driving from SoCal to Vegas. I flashed back to stock, didn't see the code again, but when I flashed MHD's OTS 91 stage 2 map, the code started reappearing. The weird thing is, with MHD's stage 2 map w/ e85, the code didn't come up. I also noticed the logs showed my car wasn't hitting its targeted boost either.

I've linked 3 logs below; 2 of them are on the e85 map & the third is the stage 2 91 map. Any advice/help is greatly appreciated. My current mods are: SSR Performance intakes, VRSF downpipes, VRSF chargepipes, and MHD's Stage 2 map. Thanks in advance!

https://datazap.me/u/aghassemi91/log...og=0&data=3-22

https://datazap.me/u/aghassemi91/log...og=1&data=3-22

https://datazap.me/u/aghassemi91/log...og=2&data=3-22

[neilpp]

I'd appreciate any comments on this log. FMIC, charge pipe, DCI all recent installed. Running the Stage 1+ 93 octane tune. I just changed the plugs and coils which has stopped the codes I was getting and the misfires.

https://datazap.me/u/neilp/stage-1-f...data=3-5-15-22

I also have stock logs, and with the FMIC on stage 1 (prior to plugs and coils) if they are of interest.

TIA.