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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > MHD "take a look at my log" thread



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      04-04-2017, 09:17 AM   #793
antoniomcd24
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Quote:
Originally Posted by LMB335IS View Post
Too much E. Your LPFP is tanking. Is this a MHD OTS tune?
yes it is, also boost comparing to target is way off? or does it look ok?
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      04-04-2017, 03:42 PM   #794
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Quote:
Originally Posted by antoniomcd24 View Post
yes it is, also boost comparing to target is way off? or does it look ok?
I don't know what your mods are or what the hell is up with that map but you shouldn't be targeting 20+psi at 6k rpm.
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      04-18-2017, 12:41 PM   #795
Lewis Cosgrove
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2008 N54 FBO

If someone could give me feedback on my logs it would be much appreciated because I'm not 100% sure what to look for.

Thanks

Mods:

MHD v6.1 Stage 2+
FMIC
3' DP
BMS DCI
LPFP 255lph
NGK 1 Step colder spark plugs

Other:

Spark plugs 2K ago
Intake valves cleaned 3K ago
All vaccum lines replaced 100 mile ago
RB PCV
Catch can

Logs

v6.1 #1: http://www.datazap.me/u/lewisc/fbo-v...og=0&data=3-22

v6.1 #2: http://www.datazap.me/u/lewisc/fbo-v...og=0&data=3-22

v7.1: http://www.datazap.me/u/lewisc/fbo-v...=0&data=3-4-22

Last edited by Lewis Cosgrove; 04-18-2017 at 06:39 PM..
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      04-18-2017, 07:30 PM   #796
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Quote:
Originally Posted by Lewis Cosgrove View Post
2008 N54 FBO

If someone could give me feedback on my logs it would be much appreciated because I'm not 100% sure what to look for.

Thanks

Mods:

MHD v6.1 Stage 2+
FMIC
3' DP
BMS DCI
LPFP 255lph
NGK 1 Step colder spark plugs

Other:

Spark plugs 2K ago
Intake valves cleaned 3K ago
All vaccum lines replaced 100 mile ago
RB PCV
Catch can

Logs

v6.1 #1: http://www.datazap.me/u/lewisc/fbo-v...og=0&data=3-22

v6.1 #2: http://www.datazap.me/u/lewisc/fbo-v...og=0&data=3-22

v7.1: http://www.datazap.me/u/lewisc/fbo-v...=0&data=3-4-22
Great logs, quick.
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Last edited by Sgop335; 04-18-2017 at 07:35 PM..
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      04-18-2017, 07:50 PM   #797
Lewis Cosgrove
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Thanks Sgop, yes its stock turbos with 57K on them. Will be installing inlets later this week aswell.

Just a few questions I have:

1. Why does the lpfp psi stay within a small band even between cursing and flat out. Looking at other peoples logs it normally dips during a pull.

2. The boost seems to fall away from the target at 5500rpm? How could I get the boost to taper down to around 15psi at 6k instead of 12/13?

3. I did think the wgdc was low for stock turbos without inlets, just wondering what a low wgdc indicates health wise?

Thanks again!
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      04-18-2017, 08:19 PM   #798
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Quote:
Originally Posted by Lewis Cosgrove View Post
Thanks Sgop, yes its stock turbos with 57K on them. Will be installing inlets later this week aswell.

Just a few questions I have:

1. Why does the lpfp psi stay within a small band even between cursing and flat out. Looking at other peoples logs it normally dips during a pull. dipping is not desirable, your pump is strong

2. The boost seems to fall away from the target at 5500rpm? How could I get the boost to taper down to around 15psi at 6k instead of 12/13?wouldnt bother much. Either you have a small boost leak and/or your adders or base need to be increased. Log wgdc base next time. No need for both wgdc banks, they are same

3. I did think the wgdc was low for stock turbos without inlets, just wondering what a low wgdc indicates health wise?low wgdc is healthy turbos

Thanks again!
....
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      04-23-2017, 09:05 PM   #799
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Does this low pressure fuel look funky to anyone? Seems a little more jittery than I usually see on others. It's more smoothed on datazap, on MHD it's really up and down. Brand new LP sensor and HPFP. Car pulled fine (this was on a dyno, 380hp, FBO 2+).

http://datazap.me/u/enmadaio/log-149...og=0&data=3-21
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      04-24-2017, 12:01 PM   #800
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Quote:
Originally Posted by Enmadaio View Post
Does this low pressure fuel look funky to anyone? Seems a little more jittery than I usually see on others. It's more smoothed on datazap, on MHD it's really up and down. Brand new LP sensor and HPFP. Car pulled fine (this was on a dyno, 380hp, FBO 2+).

http://datazap.me/u/enmadaio/log-149...og=0&data=3-21
Looks ok. The avg is still fine, and it snot tanking to 40 or below at any point. Give it a little time, it may adapt and get better. Nothing to worry regardless.
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      04-24-2017, 12:02 PM   #801
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Quote:
Originally Posted by Enmadaio View Post
Does this low pressure fuel look funky to anyone? Seems a little more jittery than I usually see on others. It's more smoothed on datazap, on MHD it's really up and down. Brand new LP sensor and HPFP. Car pulled fine (this was on a dyno, 380hp, FBO 2+).

http://datazap.me/u/enmadaio/log-149...og=0&data=3-21
You seem to be running really lean in the 2k-3k range...have you reset adaptations since changing out parts?

LPFP looks fine; surprised to see a NEW HPFP dip so progressively like that through the pull, especially since you aren't running any E. It may be bad out of the box (I've seen that on a few "new" HPFPs in the past).

Curios to see more logs once you reset adaptations.
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      04-24-2017, 12:11 PM   #802
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Quote:
Originally Posted by FCobra94 View Post
You seem to be running really lean in the 2k-3k range...have you reset adaptations since changing out parts?

LPFP looks fine; surprised to see a NEW HPFP dip so progressively like that through the pull, especially since you aren't running any E. It may be bad out of the box (I've seen that on a few "new" HPFPs in the past).

Curios to see more logs once you reset adaptations.
I have not, I'll reset them today and get some street logs in. Thanks guys!
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      04-24-2017, 09:47 PM   #803
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What does it mean if your actual load is below your requested load by 10 or little more?
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      04-25-2017, 12:39 PM   #804
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Quote:
Originally Posted by Rob09msport View Post
What does it mean if your actual load is below your requested load by 10 or little more?
normal.
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      04-27-2017, 10:40 AM   #805
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This may be of some benefit to folks in this thread:

http://www.e90post.com/forums/showthread.php?t=1376386
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      05-01-2017, 02:00 PM   #806
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Hello all! I am assuming a lease on a 335xi and want to flash however there are only 13 months remaining. Is it worth doing or are there better options?

Thank you,
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      05-01-2017, 02:12 PM   #807
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Originally Posted by 133 View Post
Is it worth doing
obvi
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      05-04-2017, 02:20 AM   #808
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Help me out...

can someone relieve me of my ignorance as to why the misfire in 3 and why or how the boost and boost target are nowhere near each other?
http://www.datazap.me/u/stage5lurker/stardate5117
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      05-04-2017, 03:23 PM   #809
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Quote:
Originally Posted by Stage5Lurker View Post
can someone relieve me of my ignorance as to why the misfire in 3 and why or how the boost and boost target are nowhere near each other?
http://www.datazap.me/u/stage5lurker/stardate5117
not enough octane for this map. I would run a 91 map with a current fuel and relog.

also maybe flash a current MHD map.

*Edit

wait a minute, is this an n55? shooot shoot this is N54 Subgroup
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      05-06-2017, 09:09 PM   #810
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My first log. Hope I've done it right. Any and all feedback would be grateful.

http://www.datazap.me/u/baturbo/0705...0&data=3-20-24
(3 log files selectable)
Only done FMIC and lots of maintenance IE plugs, coils etc

MDH Stage 1+ 98RON/93OCT

Last edited by baturbo; 05-07-2017 at 05:23 AM..
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      05-08-2017, 01:01 PM   #811
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MHD OTS e60 with NLS. Getting a 30ff. Suppose to target 18 psi but stay hitting 15 psi everytime
http://datazap.me/u/abacus38/e60-nls...ata=2-3-4-5-21
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      05-08-2017, 02:36 PM   #812
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2007 E92 335i 6 spd manual transmission.

Current mods:
VRSF FMIC
VRSF Chargepipe
N54tuning 3" dps
BMS DCI
3.5 N02 MAP sensor
Fuel-it Stage 1
335is/550i clutch kit
MHD flasher

Future mods:
Inlets

I usually run ethanol e60 mix. I dynoed the car a couple of weeks ago and made 429whp - 506 wtq on SPXXX E60 base tune (no modifications to the file)

Log of that dyno run:

http://datazap.me/u/pipe7284/e60-bas...og=0&data=3-23
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      05-08-2017, 03:48 PM   #813
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Quote:
Originally Posted by pipe7284 View Post
2007 E92 335i 6 spd manual transmission.

Current mods:
VRSF FMIC
VRSF Chargepipe
N54tuning 3" dps
BMS DCI
3.5 N02 MAP sensor
Fuel-it Stage 1
335is/550i clutch kit
MHD flasher

Future mods:
Inlets

I usually run ethanol e60 mix. I dynoed the car a couple of weeks ago and made 429whp - 506 wtq on SPXXX E60 base tune (no modifications to the file)

Log of that dyno run:

http://datazap.me/u/pipe7284/e60-bas...og=0&data=3-23
Thats a pretty clean log. Power is a little low i thought it would put you in the 450hp range. What kind of dyno?

Also you are working your turbos hard between 4-5k RPMS, like maxed out.

But everything else is perfect.
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      05-08-2017, 04:06 PM   #814
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Quote:
Originally Posted by dreyo27 View Post
Thats a pretty clean log. Power is a little low i thought it would put you in the 450hp range. What kind of dyno?

Also you are working your turbos hard between 4-5k RPMS, like maxed out.

But everything else is perfect.
Dynojet....i need to help teaking this file to squeeze everything out of it because i know its capable of alot more.
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