[Skyhigh]

Again - you have major corrections going on! Your fuel is terrible! Crap fuel - crap performance. You need (much) better fuel if you are experiencing corrections on a stage 1 RON 95!

Your stage 0 looks ok-ish but even there it is visible that your fuel is low octane!

[ycilgin]

Originally Posted by Skyhigh

Again - you have major corrections going on! Your fuel is terrible! Crap fuel - crap performance. You need (much) better fuel if you are experiencing corrections on a stage 1 RON 95!

Your stage 0 looks ok-ish but even there it is visible that your fuel is low octane!

Thanks for your reply again. Can there be something else that may be causing this crapy performance? I know I don’t have the best fuel but I also know also people who are making power out of this fuel. Spark plugs are 10k kilometers old.

[Skyhigh]

I don't think so. Your Stage 0 map is running ok, although still suggesting suboptimal fuel. This to me proves it is the fuel, not spark plugs or anything else.
Try different fuel or start adding Ethanol. Don't kill you engine with this one.

[Shaun4d]

Can anyone confirm what is reducing my load limit after 6,300 rpm on the second WOT pull (see link to log below)

https://www.bootmod3.net/log?id=6613...7984464cd92501

My first guess is component protection due to EGT or similar but would be great if someone could advise.

Apologies that the log doesn't just contain the WOT pull data (I have have been checking log data during steady state conditions too)

[muumio]

Originally Posted by UpperAustriaM40i

Ah ok, sorry, didn't see it.

As I said, in my opinion too much timing corrections.
I would try the 95oct map and see, if there are less corrections.

I switched to 95 map and did some runs before switching back to OEM map before having time to replace ignition coils.

And today I changed all ignition coils (OEM Bosch) but I wasn't able to do good pulls but ones I did and compared to previous similar pulls there is huge difference in timing corrections. So far only cylinder 1 is doing few (but less than before). I'll add new logs when I have time to do so.

Anways, are old ignition coils (as attachment) looking normal? I guess those are pretty old if not original. Spark plugs were changed ~5000km ago and there was no visible dust, oil or anything else exceptional.

[Skyhigh]

Unlike spark plugs - you cannot tell much about the condition of coils just by their look... it is all internal.

[w00t]

Can someone take a look at this log file and tell me if there is something i should worry about?

https://datazap.me/u/w00t/stage-2?log=0&data=23

Car is 540 stage 2+(98 ron map ) on 100 ron fuel with the current mods:

HJS 300 cel high flow cat, everything else stock
K&N drop in filter
TU Pump
Masata chargepipe
NGK sparkplugs, stock gap

My concern is with the timing corrections on cyl2 and cyl4 and the off target on the exhaust vanos.

Thanks in advance.

[Skyhigh]

Are you mixing up RON and AKI?

Where are you? 100 is most likely RON.
And the 93 you are referring to cannot be RON, it is AKI (equivalent to 98 RON).

You should be more worried about the timing delta for knock being pulled at the beginning. Not much, but indicating you could use a bit better (higher octane) fuel.
You can drive as is if you choose to, but keep an eye on the logs as temperatures increase…

[w00t]

Originally Posted by Skyhigh

Are you mixing up RON and AKI?

Where are you? 100 is most likely RON.
And the 93 you are referring to cannot be RON, it is AKI (equivalent to 98 RON).

You should be more worried about the timing delta for knock being pulled at the beginning. Not much, but indicating you could use a bit better (higher octane) fuel.
You can drive as is if you choose to, but keep an eye on the logs as temperatures increase…

Europe.

Will try with a bit of octane booster to see if there is a difference.

[Skyhigh]

That means you are using the AKI 93 map (= RON 98 map) with RON 100 fuel. Don’t confuse them

Use ethanol instead of octane boosters.

[w00t]

Originally Posted by Skyhigh

That means you are using the AKI 93 map (= RON 98 map) with RON 100 fuel. Don’t confuse them

Use ethanol instead of octane boosters.

Edited the original post. Thank you.

Are u suggesting using a little bit of ethanol to smoothen out the corrections and the timing delta for knock? If so should i be switching the map to a more aggresive one, or the current should be fine? I don't want to install flexfuel kit or calculating the E content every time i fill up, that's why im asking for the optimal solution.

[blacksapphire440i]

Not posting my log but posting a photo of my log because some people here had doubts about my hybrid turbo logs..

Look at this boost curve (not on a daw but on a full frame turbo)

[Skyhigh]

Just add about 5-10% E! No need to change anything. The E increases the fuel octane. Start with about 5% and see how the logs are. Might be enough.

[muumio]

Stupid questions continues..

I feel myself total idiot because I don't understand what torque limit 131072 actually means. Cylinder fill limit is confusing me. I have tried to find answers with AI/Google/Youtube but I'm still confused.

Can someone try to explain a bit easier way about it, give me a hint am I doing something horribly wrong or what I should check next? Transmission is flashed with default xHP stage 2 map. Engine is B58 gen 1.

Recently changed parts
- vrsf high flow downpipe
- bosch oem ignition coils
- k&n high flow intake filter (~5000km ago)
- engine oil + filter (~5000km ago)
- transmission oil (~5000km ago)
- ngk spark plugs (~5000km ago)

With MHD stage 1 map, https://datazap.me/u/muumio/mhd-stag...-22-37&solo=22

First I accidentally flashed MHD stage 2 map while setting aftermarket DP option for quick test run after installing high flow DP, https://datazap.me/u/muumio/mhd-stag...-26-47&solo=26

EDIT: I was able to go for another run with correct map.

[RCS5696]

18’ m240i with BM3 Stage 2 93 tune. How’s the log look? From what I understand timing corrections less than 3 and no knock are good?

https://bootmod3.net/log?id=661f16d913417d1edeb7ebe3

[WrxToBeamerGuy]

Originally Posted by RCS5696

18’ m240i with BM3 Stage 2 93 tune. How’s the log look? From what I understand timing corrections less than 3 and no knock are good?

https://bootmod3.net/log?id=661f16d913417d1edeb7ebe3

Looks okay but I would check how it runs in hotter weather. You're getting minor corrections on all cylinders now but as it heats up outside that may increase.

[WrxToBeamerGuy]

Originally Posted by muumio

Stupid questions continues..

I feel myself total idiot because I don't understand what torque limit 131072 actually means. Cylinder fill limit is confusing me. I have tried to find answers with AI/Google/Youtube but I'm still confused.

Can someone try to explain a bit easier way about it, give me a hint am I doing something horribly wrong or what I should check next? Transmission is flashed with default xHP stage 2 map. Engine is B58 gen 1.

Recently changed parts
- vrsf high flow downpipe
- bosch oem ignition coils
- k&n high flow intake filter (~5000km ago)
- engine oil + filter (~5000km ago)
- transmission oil (~5000km ago)
- ngk spark plugs (~5000km ago)

With MHD stage 1 map, https://datazap.me/u/muumio/mhd-stag...-22-37&solo=22

First I accidentally flashed MHD stage 2 map while setting aftermarket DP option for quick test run after installing high flow DP, https://datazap.me/u/muumio/mhd-stag...-26-47&solo=26

EDIT: I was able to go for another run with correct map.

Stage 1 and stage 2 actually look perfectly fine. Those fill limits are part of the tune and nothing you're doing wrong.

[RCS5696]

Originally Posted by WrxToBeamerGuy

Looks okay but I would check how it runs in hotter weather. You're getting minor corrections on all cylinders now but as it heats up outside that may increase.

Thanks for the advice. It was about 85 degrees ambient when running the logs. I live in the south so it gets pretty hot. May end up switch to the 91 map once it gets hotter. Shell 93 here seems to be pretty good.

[muumio]

Originally Posted by WrxToBeamerGuy

Stage 1 and stage 2 actually look perfectly fine. Those fill limits are part of the tune and nothing you're doing wrong.

Ok, thanks :-)

[Michalt]

Can someone looks to my log and says is everythink is good?

Gen1, Masata catted DP, RON98, St2 MHD

https://datazap.me/u/black340i/log-1...25-26-27-28-29

Thanks

[Skyhigh]

Looks ok.