[El-daybed]

Originally Posted by Bimmer_Bro

You could always try gaping cylinder 4 to slightly smaller.

I will try but i don't think it will help, i tried the oe style plugs in the car and same thing

[accountname19]

Hey, id appreciate if you guys could take a look at my logs. I have 0 boost for some reason so im wondering if a boost leak could cause such low boost or if its something else and then id also appreciate it if you could take a look at the other things in the logs to see if everything else is good
https://datazap.me/u/kontonamn/bmw-3...og=0&data=3-21

[Bimmer_Bro]

Originally Posted by accountname19

Hey, id appreciate if you guys could take a look at my logs. I have 0 boost for some reason so im wondering if a boost leak could cause such low boost or if its something else and then id also appreciate it if you could take a look at the other things in the logs to see if everything else is good
https://datazap.me/u/kontonamn/bmw-3...&data=3-21

Any codes or in limp mode? Zero boost is right, and the waste gate duty is staying low which means it not even trying to make up for the low boost.
Could be a vacuum or boost solenoid issue. Also doesn't hurt to try a different map to make sure it's not software related. You are on V9. You could always try v10 to see if the same results happen.

Low fuel pressure looks fine. Can't really comment on anything else until you get the no boost issue sorted.

[Saif2018]

Originally Posted by El-daybed

I will try but i don't think it will help, i tried the oe style plugs in the car and same thing

If the OEM Bosch Plugs didn't eliminate the misfire than reducing the gap is unlikely to help, but have you done a idle log yet? You didn't say what your Fuel pressures were at idle for both LPFP and HPFP at cold start.

A 3rd gear log with DSC fully off?

[El-daybed]

Originally Posted by Saif2018

If the OEM Bosch Plugs didn't eliminate the misfire than reducing the gap is unlikely to help, but have you done a idle log yet? You didn't say what your Fuel pressures were at idle for both LPFP and HPFP at cold start.

A 3rd gear log with DSC fully off?

Have not done a 3rd gear log w dsc off, will try today lpfp is tage 2 walbro sits at around 72.5 psi and hpfp had about 1500 miles on it and it starts out at 2500 psi and drops down to fluctuates 650-750 psi at idle. Also how do i do and idle log, mhd on mine will only log at about 60% throttle

[Saif2018]

Originally Posted by El-daybed

Have not done a 3rd gear log w dsc off, will try today lpfp is tage 2 walbro sits at around 72.5 psi and hpfp had about 1500 miles on it and it starts out at 2500 psi and drops down to fluctuates 650-750 psi at idle. Also how do i do and idle log, mhd on mine will only log at about 60% throttle

Untick autologging option and manually log it.

[El-daybed]

Originally Posted by Saif2018

Untick autologging option and manually log it.

here is idle log
https://datazap.me/u/el-daybed/idle-log?log=0&data=3-23

Pull 1 i forgot to turn dsc off , def have a bad boost solenoid
https://datazap.me/u/el-daybed/pull-1-dsc?log=0&data=3-23

Pull 2 dsc
off https://datazap.me/u/el-daybed/pull-2-dsc?log=0&data=3-23

Pull 3 dsc off
https://datazap.me/u/el-daybed/pull-3-dsc?log=0&data=3-23

[Saif2018]

Originally Posted by El-daybed

here is idle log
https://datazap.me/u/el-daybed/idle-log?log=0&data=3-23

Pull 1 i forgot to turn dsc off , def have a bad boost solenoid
https://datazap.me/u/el-daybed/pull-1-dsc?log=0&data=3-23

Pull 2 dsc
off https://datazap.me/u/el-daybed/pull-2-dsc?log=0&data=3-23

Pull 3 dsc off
https://datazap.me/u/el-daybed/pull-3-dsc?log=0&data=3-23

Pull 3 looks good apart from the overboosting, probably your boost solenoids.

Wasn't the misfire during cold start?

Can you do another log, when as soon as you turn the car on during cold start?

[El-daybed]

Originally Posted by Saif2018

Pull 3 looks good apart from the overboosting, probably your boost solenoids.

Wasn't the misfire during cold start?

Can you do another log, when as soon as you turn the car on during cold start?

Ill send it over in a little

Also does my lpfp and hpfp seem to be doing okay through the pull?

[Saif2018]

Originally Posted by El-daybed

Ill send it over in a little

Also does my lpfp and hpfp seem to be doing okay through the pull?

Looks fine to me, HPFP doesn't drop below 1800+psi through the pull and LPFP is well above 60psi.

Also whilst your at it, you might as well also check the Cold start noise reduction in the flash options and log the start up and see if you still get misfires.

[El-daybed]

Originally Posted by Saif2018

Looks fine to me, HPFP doesn't drop below 1800+psi through the pull and LPFP is well above 60psi.

Also whilst your at it, you might as well also check the Cold start noise reduction in the flash options and log the start up and see if you still get misfires.

I already have it on, it helped a little but not much

[accountname19]

Originally Posted by Bimmer_Bro

Any codes or in limp mode? Zero boost is right, and the waste gate duty is staying low which means it not even trying to make up for the low boost.
Could be a vacuum or boost solenoid issue. Also doesn't hurt to try a different map to make sure it's not software related. You are on V9. You could always try v10 to see if the same results happen.

Low fuel pressure looks fine. Can't really comment on anything else until you get the no boost issue sorted.

alright thank you and i get no code at all even with diagnostic tools

[El-daybed]

Originally Posted by Saif2018

Looks fine to me, HPFP doesn't drop below 1800+psi through the pull and LPFP is well above 60psi.

Also whilst your at it, you might as well also check the Cold start noise reduction in the flash options and log the start up and see if you still get misfires.

Cold-start 1
https://datazap.me/u/el-daybed/cold-start-4?log=0&data=3-23

Cold start 2
https://datazap.me/u/el-daybed/cold-start2?log=0&data=3-23

Cold Start 3
https://datazap.me/u/el-daybed/cold-start-3?log=0&data=3-23


Cold start 4
https://datazap.me/u/el-daybed/cold-start-4?log=0&data=3-23

[Saif2018]

Originally Posted by El-daybed

Cold-start 1
https://datazap.me/u/el-daybed/cold-start-4?log=0&data=3-23

Cold start 2
https://datazap.me/u/el-daybed/cold-start2?log=0&data=3-23

Cold Start 3
https://datazap.me/u/el-daybed/cold-start-3?log=0&data=3-23


Cold start 4
https://datazap.me/u/el-daybed/cold-start-4?log=0&data=3-23

Did you get any misfire during Cold start 3 and 4?

Did you enable cold start noise reduction, flash and log?

You'll need to clear codes and recheck

[El-daybed]

Originally Posted by Saif2018

Did you get any misfire during Cold start 3 and 4?

Did you enable cold start noise reduction, flash and log?

You'll need to clear codes and recheck

Yeah misfire on 3 and 4 finally cleared up on 4
Coldstart nois reduction is already enables and has been

what do you mean by flash and log

[Saif2018]

Originally Posted by El-daybed

Yeah misfire on 3 and 4 finally cleared up on 4
Coldstart nois reduction is already enables and has been

what do you mean by flash and log

I meant if you had cold start noise reduction off, you'd have to reflash, clear old codes and log again.

Good to hear misfire has cleared up, hopefully those boost solenoids sort out the overboosting.

[Saif2018]

Originally Posted by accountname19

Hey, id appreciate if you guys could take a look at my logs. I have 0 boost for some reason so im wondering if a boost leak could cause such low boost or if its something else and then id also appreciate it if you could take a look at the other things in the logs to see if everything else is good
https://datazap.me/u/kontonamn/bmw-3...og=0&data=3-21

Your wastegates are probably stuck open or not closing, WGDC is hardly ramping up, no wonder it's not building boost.

[El-daybed]

Originally Posted by Saif2018

I meant if you had cold start noise reduction off, you'd have to reflash, clear old codes and log again.

Good to hear misfire has cleared up, hopefully those boost solenoids sort out the overboosting.

It only clears up untill its cold again, one the 02 sensors heat up it starts idling rough I still have not figured out the issue

I meant the misfiring stopped on cold start number 4 when it wasnt so cold anymore

[Saif2018]

Originally Posted by El-daybed

It only clears up untill its cold again, one the 02 sensors heat up it starts idling rough I still have not figured out the issue

I meant the misfiring stopped on cold start number 4 when it wasnt so cold anymore

Does it misfire during Cold starts on stage 0 map as well?

Also I'm assuming it misfires when cold start noise reduction is turned off as well, which should warm up the cats faster?

[El-daybed]

Originally Posted by Saif2018

Does it misfire during Cold starts on stage 0 map as well?

Also I'm assuming it misfires when cold start noise reduction is turned off as well, which should warm up the cats faster?

Yes it does, im also Experiencing Long Crank times every now and then

[Saif2018]

Originally Posted by El-daybed

Yes it does, im also Experiencing Long Crank times every now and then

If your sure the Index 12 injectors are not leaking and your plugs and coils are good, I'm at loss to what's causing your misfire.

How's your Valve Cover, have you checked it thoroughly for any cracks?

Just realised your bank 2 AFR's are off by quite a bit initially until they catch up to bank 1.

[El-daybed]

Originally Posted by Saif2018

If your sure the Index 12 injectors are not leaking and your plugs and coils are good, I'm at loss to what's causing your misfire.

How's your Valve Cover, have you checked it thoroughly for any cracks?

Just realised your bank 2 AFR's are off by quite a bit initially until they catch up to bank 1.

I also noticed that my stft are also way off untill the car warms up bad o2 senosrs? Replaced the valve cover 2 days ago