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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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      05-29-2020, 10:14 PM   #3873
Saif2018
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Quote:
Originally Posted by allcaps55 View Post
I've had the Bosch coils free lifetime warranty through FCP for a good 5 years now so just didn't feel like spending money on the Delphi ones. Haven't had any issues with them so far

I have recently replaced the vacuum lines but not the boost solenoids. I'll put those on the list.

Currently running an e50 mix
Ok, if you got lifetime warranty that makes sense.

Check the charge pipe connections and intercooler connections as well just to be on the safe side. Also those vacumn canister connection points, especially at the bottom which isn't visible unless you take the cannisters out.
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      05-29-2020, 10:18 PM   #3874
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Don't think so i didn't feel it as laggy when the car was on stage 1+
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      05-29-2020, 10:22 PM   #3875
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...

Last edited by Saif2018; 05-29-2020 at 10:28 PM..
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      05-29-2020, 10:28 PM   #3876
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Quote:
Originally Posted by Kalbs59 View Post
I have a 2008 335xi I have full bolt-ons however the car feels sluggish from a stop to about 3k rpms
Mods:
xhp stage 3
Vrsf 7.5 intercooler
Vrsf Downpipes
Vrsf charge pipe
Vrsf outlets
Vrsf Relocated inlets
Turbosmart diverter valves
Fuel it stage 2 fuel pump
Ngk ILZKBR7B-8DG Spark Plugs gapped to 0.022 with new eldor ignition coils
index 12 injectors

I am using mhd v9.0 stage 2+ I have two logs one of E50 and of 93 octane
https://datazap.me/u/kalbs59/log-159...og=0&data=3-22
There is some minor turbo lag below 2k on N54's, that's normal

By 2.5-3k turbos should ramp up to full boost quick.

This isn't a good log, you lifted off about 5.5k rpm.

you need to have DSC fully off, hold it down for a few seconds till it goes off completely, switch to manual gear shift, get to 3rd gear, also you need to do full throttle log from 2.5k rpm (3rd gear) to at least around 6.5k rpm

Repost log after doing the above.
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      05-29-2020, 10:31 PM   #3877
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Quote:
Originally Posted by Kalbs59 View Post
Don't think so i didn't feel it as laggy when the car was on stage 1+
Turbo response looks normal.
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      05-30-2020, 12:16 AM   #3878
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Replaced boost solenoids and it's almost perfect

https://datazap.me/u/godzilx/1-e30-5...38;data=3-4-22

Figured out my front turbo wastegate is the one rattling so I'll have to do some research to figure out how to adjust it
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      05-30-2020, 02:15 AM   #3879
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Quote:
Originally Posted by Godzilx View Post
Replaced boost solenoids and it's almost perfect

https://datazap.me/u/godzilx/1-e30-5...=1&data=3-4-22

Figured out my front turbo wastegate is the one rattling so I'll have to do some research to figure out how to adjust it
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      05-30-2020, 09:35 AM   #3880
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redid the log

https://datazap.me/u/kalbs59/log-159...og=0&data=3-21
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      05-30-2020, 11:03 AM   #3881
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Quote:
Originally Posted by Kalbs59 View Post
HPFP (Rail pressure) wasn't selected for logging, always have that selected.

WGDC are almost maxing out 80+%, I'd flash a less aggressive map, unless you have plans to upgrade turbos. Not sure about the massive timing corrections after gear change but that could be normal, emailed MHD for log analysis.

Otherwise it looks fine.
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      05-30-2020, 12:16 PM   #3882
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Quote:
Originally Posted by Kalbs59 View Post
Reply from MHD,

"The log looks strong but you have on big correction after shift on cylinder 1 - please log again and make sure to reset logging channels to default because some important ones are missing"

I suggest you email them after doing the above...

mhd.tuning@gmail.com

Regards
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      05-30-2020, 12:22 PM   #3883
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Will do thank you so much
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      05-30-2020, 02:59 PM   #3884
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Quote:
Originally Posted by Kalbs59 View Post
Will do thank you so much
No problem.

Regards
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      05-30-2020, 09:15 PM   #3885
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Here is a new pull on E30 after I installed my stage 2 fuel it pump. I added 4.3 gallons of ethanol to my usual 93 fill up
https://datazap.me/u/volfwaley/stage...=0&data=2-3-21
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      05-31-2020, 03:01 PM   #3886
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Quote:
Originally Posted by thormessiah View Post
Here is a new pull on E30 after I installed my stage 2 fuel it pump. I added 4.3 gallons of ethanol to my usual 93 fill up
https://datazap.me/u/volfwaley/stage...=0&data=2-3-21
did you do a log right after the fill up ?? it looks like either the E85 didnt mix correctly because every cylinder is pulling massive timing across the board or the E85 has very low E content and you need to add 1-2 gallons of E85
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      05-31-2020, 03:10 PM   #3887
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Hi guys, can you please review my log, I'm running stage 2 RON 98 daily with no issues. But when I try to run stage 2+ after few pulls I have misfires in random cylinders. I have new stock coils and new S55 spark plugs installed

https://datazap.me/u/simpl1g/log-159...7-8-9-10-11-22
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      05-31-2020, 03:29 PM   #3888
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Quote:
Originally Posted by Silent11N54 View Post
did you do a log right after the fill up ?? it looks like either the E85 didnt mix correctly because every cylinder is pulling massive timing across the board or the E85 has very low E content and you need to add 1-2 gallons of E85
Itís probably the latter Iíll add another gallon or 2 tonight and see where Iím at
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      06-01-2020, 01:22 PM   #3889
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2nd gear log, hows my fuel pump?

https://datazap.me/u/kaden-oseen/2nd...og=0&data=3-20

If someone can take a look at this thatd be great. Wondering how my pump is doing

E92 335i 2007
93k miles, FBO, mhd stage 2+
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      06-01-2020, 06:33 PM   #3890
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Hello.

Please look at my logs - https://datazap.me/u/turbohugh/log-1...ata=3-21-30-31

Car is 08 with all maintenance done. Upgrades
-Cobb Catted DPs
-DCI
-stepped 5 inch IC [ARM]
-Borla Catback

I'm curious how to interpret the WGDC . I see a spike at lower rpms, also I seem to be slightly off the boost target . Do these logs look ok ? Feel free to look at any of the others.

Thanks in advance.
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      06-01-2020, 08:40 PM   #3891
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Quote:
Originally Posted by turbohugh View Post
Hello.

Please look at my logs - https://datazap.me/u/turbohugh/log-1...ata=3-21-30-31

Car is 08 with all maintenance done. Upgrades
-Cobb Catted DPs
-DCI
-stepped 5 inch IC [ARM]
-Borla Catback

I'm curious how to interpret the WGDC . I see a spike at lower rpms, also I seem to be slightly off the boost target . Do these logs look ok ? Feel free to look at any of the others.

Thanks in advance.
Look good. One of the logs traction control kicked in and pulled timing. Either crappy tire or slightly slick road? Usual practice is to log 2500rpm and up in 3rd. Shows spool better.
Is xhp installed?
Any questions ask away...i would log only 1 wgdc bank...
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      06-01-2020, 09:35 PM   #3892
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Quote:
Originally Posted by Silent11N54 View Post
did you do a log right after the fill up ?? it looks like either the E85 didnt mix correctly because every cylinder is pulling massive timing across the board or the E85 has very low E content and you need to add 1-2 gallons of E85
I added an additional 2 gallons of e85 and did another pull. Car feels quick! The ethanol content from my gas station is actually e75.
https://datazap.me/u/volfwaley/stage...og=0&data=3-21
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      06-01-2020, 11:17 PM   #3893
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Quote:
Originally Posted by Sgop335 View Post
Look good. One of the logs traction control kicked in and pulled timing. Either crappy tire or slightly slick road? Usual practice is to log 2500rpm and up in 3rd. Shows spool better.
Is xhp installed?
Any questions ask away...i would log only 1 wgdc bank...
Yes I have XHP [stage 3 OTS]
I had the MHD in Auto log mode. Will do some things later [back on a 93 octane map for now]

Tires are Goodyear Asym. Eagles . My tire pressure may be too high [44 rear - was doing some extended highway driving with a full car earlier in the week] because I'm not hooking very well..Will experiment with airing down to a lower pressure .

I also have some B8s on order. Rear shocks have left the building .. B8s should work out nice and firm.

My question is the WGDC seems to spike up to about 90% early. Just wondering what metrics I need to look at for the WGDC as far as indicators of problems or overspeeding/running out of turbo.

Thanks in advance.
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      06-02-2020, 03:36 AM   #3894
Saif2018
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Quote:
Originally Posted by turbohugh View Post
Hello.

Please look at my logs - https://datazap.me/u/turbohugh/log-1...ata=3-21-30-31

Car is 08 with all maintenance done. Upgrades
-Cobb Catted DPs
-DCI
-stepped 5 inch IC [ARM]
-Borla Catback

I'm curious how to interpret the WGDC . I see a spike at lower rpms, also I seem to be slightly off the boost target . Do these logs look ok ? Feel free to look at any of the others.

Thanks in advance.
Looks fine.

WGDC are meant to spike initially to almost max, then level out as revs climb. Yours is levelling out between 60-70% which is fine as far as im aware.

If your WGDC is consistently high like 80% etc then that could be a sign that turbo's are on their way out.

Last edited by Saif2018; 06-02-2020 at 09:03 AM..
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