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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > MHD N55 E-Series - general discussion



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      06-18-2017, 03:59 PM   #3653
CurtisP87
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3rd gear pull

Any opinions on this log of a 3rd gear pull?

http://datazap.me/u/curtisp87/log-14...21-22-23-24-25
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      06-18-2017, 07:30 PM   #3654
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Quote:
Originally Posted by CurtisP87 View Post
Any opinions on this log of a 3rd gear pull?

http://datazap.me/u/curtisp87/log-14...21-22-23-24-25
I would drop down to the 91octane map,and see if the timing corrections clean up.
You have a lot of timing corrections..

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      06-18-2017, 07:35 PM   #3655
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Twisted Tuning,

I reset those adaptation and posted these logs again like you asked. Still over-boosting the same. Any ideas? Not getting this issue stock... Is this bad for my car over-boosting this much? Been on stock since, but want to know if it's safe to go back to stage 1, or should I leave it off, and if so any ideas? The intake and MAF sensor appear to be on fine.

http://www.datazap.me/u/csween86/log...=0&data=3-4-14
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      06-19-2017, 12:24 AM   #3656
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Quote:
Originally Posted by csween86 View Post
Twisted Tuning,

I reset those adaptation and posted these logs again like you asked. Still over-boosting the same. Any ideas? Not getting this issue stock... Is this bad for my car over-boosting this much? Been on stock since, but want to know if it's safe to go back to stage 1, or should I leave it off, and if so any ideas? The intake and MAF sensor appear to be on fine.

http://www.datazap.me/u/csween86/log...=0&data=3-4-14
email me your full VIN and Trans type and etc. Along with this same log link. I'll send you modded file. Possibly just have tighter wastegates than most.
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      06-19-2017, 05:51 AM   #3657
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Quote:
Originally Posted by aaron_ View Post
Had a custom tune done from Justin, very happy with it except for one thing, Which I hope you guys can chime in on

I also should say I haven't logged the problem and gotten him to revise, just want to see what you think

So i have a dct n55, with sport button pressed and shifter in sport mode, full dtc ON, from a set of lights, get to full throttle quickly after it goes green (but no traction control cutting in), I get a REALLY hard shift from 1st-2nd, and even have traction control cut in during the shift. My foot stays just above clickdown for the entire process after i get to full throttle post lights going green

I just had a transmission fluid change today, problem still exists. Doesn't happen with dtc fully off

Is this just how the car is. Do you guys get this same thing?
You mean that between 1st and 2nd gear the power cuts out?

If so that's general issue of the car's software, I have had the same issue stock pre-flash to the newest software version for every car module.
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      06-19-2017, 01:32 PM   #3658
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Guys sorry I've been away for a little, did anyone have an answer for the flash times, the back to stock flash time seems better,10-12 mins but the flash back to MHD is still 35+ mins :/.
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      06-19-2017, 05:56 PM   #3659
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Quote:
Originally Posted by ANMVQ View Post
Guys sorry I've been away for a little, did anyone have an answer for the flash times, the back to stock flash time seems better,10-12 mins but the flash back to MHD is still 35+ mins :/.
need a faster cable. Until MHD release their BT cable we offer this...

https://twistedtuning.com/collection...an-blaze-cable
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      06-19-2017, 06:07 PM   #3660
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MHD/ Justin:

Are either of these options being considered or in the works?

1. Ability to increase rev limiter

2. Option for dsc to be disabled as default.
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      06-19-2017, 06:30 PM   #3661
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Quote:
Originally Posted by Twisted Tuning View Post
Quote:
Originally Posted by ANMVQ View Post
Guys sorry I've been away for a little, did anyone have an answer for the flash times, the back to stock flash time seems better,10-12 mins but the flash back to MHD is still 35+ mins :/.
need a faster cable. Until MHD release their BT cable we offer this...

https://twistedtuning.com/collection...an-blaze-cable
Waiting on an email reply regarding burble test..
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      06-20-2017, 04:48 AM   #3662
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Quote:
Originally Posted by GreQonE View Post
You mean that between 1st and 2nd gear the power cuts out?

If so that's general issue of the car's software, I have had the same issue stock pre-flash to the newest software version for every car module.
Yes! Power cuts, traction light goes on, then back to normal. Doesn't happen in higher gears

I updated car software at dealer 1 year ago. Pretty sure it was rolled back when mhd was installed ...
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      06-20-2017, 10:18 AM   #3663
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Quote:
Originally Posted by houtan View Post
MHD/ Justin:

Are either of these options being considered or in the works?

1. Ability to increase rev limiter

2. Option for dsc to be disabled as default.
These sounds good, I'll add to number two and say DSC disabled and no CEL and no warning on iDrive, that's pretty annoying having those up.
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      06-20-2017, 10:42 AM   #3664
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Does anyone's RPMs drop when shifting from Drive to Sport mode in the 6at?

Edit: Only when coasting. I also get a rpm drop in reverse at cold start after light throttle.
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Last edited by NRigs; 06-20-2017 at 10:51 AM.
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      06-20-2017, 10:50 AM   #3665
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Like at idle?
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      06-20-2017, 10:58 AM   #3666
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Quote:
Originally Posted by 9krpmrx8 View Post
Like at idle?
Drive to sport while coasting and reverse after i give it a little gas. Not at idle.
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      06-20-2017, 11:10 AM   #3667
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My build date is July 2012 so it looks like I'll need the one time bench flash, where would I get this done? Do I have to mail any module to have it done cause I can't go days without the use of my car.
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      06-20-2017, 01:53 PM   #3668
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Quote:
Originally Posted by houtan View Post
MHD/ Justin:

Are either of these options being considered or in the works?

1. Ability to increase rev limiter

2. Option for dsc to be disabled as default.
Rev limiter is controlled by transmission, so xHP tune will take of that if you have a 6AT.
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      06-20-2017, 01:56 PM   #3669
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Quote:
Originally Posted by NRigs View Post
Does anyone's RPMs drop when shifting from Drive to Sport mode in the 6at?

Edit: Only when coasting. I also get a rpm drop in reverse at cold start after light throttle.
RPM's should rise(not drop) when switching from D to S. Highest gear used in S mode is 5th.
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      06-20-2017, 02:27 PM   #3670
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Quote:
Originally Posted by aaron_ View Post
Yes! Power cuts, traction light goes on, then back to normal. Doesn't happen in higher gears

I updated car software at dealer 1 year ago. Pretty sure it was rolled back when mhd was installed ...
I would try to uninstall MHD, update the car again and then reinstall, from what I remember it was TCU that might have been at fault here
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      06-20-2017, 02:59 PM   #3671
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Quote:
Originally Posted by Mikaeldarer View Post
RPM's should rise(not drop) when switching from D to S. Highest gear used in S mode is 5th.
They do rise, but then drop to around 1000 briefly then go back up. I will take a video on the way home from work.
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      06-20-2017, 04:17 PM   #3672
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Quote:
Originally Posted by NRigs View Post
They do rise, but then drop to around 1000 briefly then go back up. I will take a video on the way home from work.
Yeah that sounds strange... post the video when you get a chance
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      06-21-2017, 05:44 AM   #3673
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Quote:
Originally Posted by GreQonE View Post
I would try to uninstall MHD, update the car again and then reinstall, from what I remember it was TCU that might have been at fault here
Thanks for the info. Will give it a try
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      06-21-2017, 06:47 AM   #3674
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Quote:
Originally Posted by Twisted Tuning View Post
Quote:
Originally Posted by csween86 View Post
Twisted Tuning,

I reset those adaptation and posted these logs again like you asked. Still over-boosting the same. Any ideas? Not getting this issue stock... Is this bad for my car over-boosting this much? Been on stock since, but want to know if it's safe to go back to stage 1, or should I leave it off, and if so any ideas? The intake and MAF sensor appear to be on fine.

http://www.datazap.me/u/csween86/log...=0&data=3-4-14
email me your full VIN and Trans type and etc. Along with this same log link. I'll send you modded file. Possibly just have tighter wastegates than most.
What's your email? I sent a PM to you on here if you just want to drop it in there.
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