[chenzhuops2]

Is it stable?

The 98 gasoline I come from to china
http://www.bootmod3.net/log?id=5d8889c3ae729b67235ff4ca

http://www.bootmod3.net/log?id=5d8889c6ae729b67235ff4cb

[chenzhuops2]

lgnl too low?

[chenzhuops2]

It's just an OCT program. I bought the acn91 program, datalogs has test not yet.

[Works]

Next time, do a full throttle run on a single gear from 2500rpm until redline. And several of them using the same part of the road. Partial throttle logs don't tell much as the only diagnostic device.

[chenzhuops2]

Originally Posted by Works

Next time, do a full throttle run on a single gear from 2500rpm until redline. And several of them using the same part of the road. Partial throttle logs don't tell much as the only diagnostic device.

Ok, I will run again logs tomorrow. I hope it can help me check it thx bro

[chenzhuops2]

Originally Posted by Works

Next time, do a full throttle run on a single gear from 2500rpm until redline. And several of them using the same part of the road. Partial throttle logs don't tell much as the only diagnostic device.

stock log 98 gasoil

http://www.bootmod3.net/log?id=5d92b356ae729b2cae3138bf

bm3 stage1 98 gasoil

http://www.bootmod3.net/log?id=5d92b051ae729b2cae3138a5

low rpm knock again？
whats happen？

[Works]

I might have been unclear. In order for any of us to give you proper tips we need a rather specific log:

Car already moving, on 3rd gear, rpms 2000-2500 -> open throttle fully (pedal all the way down, if you have AT, don't activate kickdown) and go from ~2000rpm on 3rd until you need to change to 4th at full throttle and give it few more seconds of full throttle on 4th gear.

Be sure that you have safe surroundings, level and dry road with no traffic. For comparable data, use the same stretch of road for all of your logs if at all possible.

Remember to fully deactivate ESP by holding down the DTC button for 5+ seconds so that it will not interfere and skew the log.

Check one of my logs as a reference: Datazap

[chenzhuops2]

Originally Posted by Works

I might have been unclear. In order for any of us to give you proper tips we need a rather specific log:

Car already moving, on 3rd gear, rpms 2000-2500 -> open throttle fully (pedal all the way down, if you have AT, don't activate kickdown) and go from ~2000rpm on 3rd until you need to change to 4th at full throttle and give it few more seconds of full throttle on 4th gear.

Be sure that you have safe surroundings, level and dry road with no traffic. For comparable data, use the same stretch of road for all of your logs if at all possible.

Remember to fully deactivate ESP by holding down the DTC button for 5+ seconds so that it will not interfere and skew the log.

Check one of my logs as a reference: Datazap

ok datalogs again tomorrow

[chenzhuops2]

Originally Posted by chenzhuops2

ok datalogs again tomorrow

http://www.bootmod3.net/log?id=5da6d01cc090c64ea9e1603e
low rpm knock？again again

[hybris]

Still not a perfect run. As the previous poster stated: Go to around 2500rpm in 3rd gear and keep the throttle steady, then smoothly increase throttle (1-2 seconds from 2500rpm to your pedal is all the way down) to full throttle without triggering kickdown, then if you have space, shift to 4th and go as far as you can there as well.

Timing seems low, but perhaps that's how it intentionally is on the ACN map? I can't see any knock.

Why are you running 91 ACN if you have 98 octane fuel? I assume this is a 320i?

[chenzhuops2]

Originally Posted by hybris

Still not a perfect run. As the previous poster stated: Go to around 2500rpm in 3rd gear and keep the throttle steady, then smoothly increase throttle (1-2 seconds from 2500rpm to your pedal is all the way down) to full throttle without triggering kickdown, then if you have space, shift to 4th and go as far as you can there as well.

Timing seems low, but perhaps that's how it intentionally is on the ACN map? I can't see any knock.

Why are you running 91 ACN if you have 98 octane fuel? I assume this is a 320i?

Poor fuel quality to china so get acn91

[chenzhuops2]

Originally Posted by hybris

Still not a perfect run. As the previous poster stated: Go to around 2500rpm in 3rd gear and keep the throttle steady, then smoothly increase throttle (1-2 seconds from 2500rpm to your pedal is all the way down) to full throttle without triggering kickdown, then if you have space, shift to 4th and go as far as you can there as well.

Timing seems low, but perhaps that's how it intentionally is on the ACN map? I can't see any knock.

Why are you running 91 ACN if you have 98 octane fuel? I assume this is a 320i?

do you saw the pic？

[chenzhuops2]

Originally Posted by hybris

Still not a perfect run. As the previous poster stated: Go to around 2500rpm in 3rd gear and keep the throttle steady, then smoothly increase throttle (1-2 seconds from 2500rpm to your pedal is all the way down) to full throttle without triggering kickdown, then if you have space, shift to 4th and go as far as you can there as well.

Timing seems low, but perhaps that's how it intentionally is on the ACN map? I can't see any knock.

Why are you running 91 ACN if you have 98 octane fuel? I assume this is a 320i?

yep bmw 320Li model F35 B48 184p 320nm

[hybris]

Originally Posted by chenzhuops2

do you saw the pic？

I don't think you need to worry about knock events at low rpm and with low throttle. What you want to avoid is knock events during acceleration.

[chenzhuops2]

Originally Posted by hybris

I don't think you need to worry about knock events at low rpm and with low throttle. What you want to avoid is knock events during acceleration.

ok isee
my log look at the health？

[chenzhuops2]

Originally Posted by chenzhuops2

ok isee
my log look at the health？

lgn1 timing too low？

[hybris]

Timing is a bit low but seems reasonably stable during WOT. Again I'm no expert. You should submit your log to PTF.

[chenzhuops2]

Originally Posted by hybris

Timing is a bit low but seems reasonably stable during WOT. Again I'm no expert. You should submit your log to PTF.

It's been sent but they say it's safe and healthy but I think the ignition is low and the PTF tells me that the oil here is of poor quality

[hybris]

Originally Posted by chenzhuops2

It's been sent but they say it's safe and healthy but I think the ignition is low and the PTF tells me that the oil here is of poor quality

Then they're probably right. That the ignition is low isn't a problem in itself as long as it's stable, it's just your car correcting for the fuel quality. Have you tried logging stock to compare?

[chenzhuops2]

Originally Posted by hybris

Then they're probably right. That the ignition is low isn't a problem in itself as long as it's stable, it's just your car correcting for the fuel quality. Have you tried logging stock to compare?

http://www.bootmod3.net/log?id=5d92b356ae729b2cae3138bf
the stock 98gasoil

The ignition has improved a lot？

[hybris]

Originally Posted by chenzhuops2

http://www.bootmod3.net/log?id=5d92b356ae729b2cae3138bf
the stock 98gasoil

The ignition has improved a lot？

Yes. But also lower power, so.. You won't get that high timing on a tune. Depends on ambient temps too.

For comparison here's a couple of mine (also B48) on 91 stage 2 beta tune, running 98 octane fuel.

June (high ambient temperature):
http://www.bootmod3.net/log?id=5d0df5c0c090c611aedbcfde

Recent (only +5c):
http://www.bootmod3.net/log?id=5d9b2951c090c61ab1d89b59

[chenzhuops2]

Originally Posted by hybris

Yes. But also lower power, so.. You won't get that high timing on a tune. Depends on ambient temps too.

For comparison here's a couple of mine (also B48) on 91 stage 2 beta tune, running 98 octane fuel.

June (high ambient temperature):
http://www.bootmod3.net/log?id=5d0df5c0c090c611aedbcfde

Recent (only +5c):
http://www.bootmod3.net/log?id=5d9b2951c090c61ab1d89b59

Is the normal value 5-10？
yours log look at the healthy