E90Post
 


Extreme Powerhouse
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > I cloned my MSV70 DME



Reply
 
Thread Tools Search this Thread
      09-19-2014, 12:06 PM   #45
David0ff
Combined Applications Group
David0ff's Avatar
Canada
733
Rep
532
Posts

Drives: Lada Scrapus Trofeo R
Join Date: Jan 2014
Location: Classified

iTrader: (1)

also is your 325 2.5l or 3l?
Appreciate 0
      09-19-2014, 12:10 PM   #46
hassmaschine
Major General
United_States
2779
Rep
5,884
Posts

Drives: "NBO" 330i
Join Date: Jun 2014
Location: earth

iTrader: (0)

Quote:
Originally Posted by David0ff View Post
I see,
I am not really looking to clone it
I just want to add valve depth, remove 6500 rpm limit and bump it to 7000 and remove top speed limiter.
Thx Hass
you'll want to use OBD for that, it's the simplest way. I'm not sure what products allow you to read and write yourself, most of the big tuners will sell you a black box that you can't do anything with. OFT might but it might also be encrypted.

another issue is checksums but I should be able to figure that out pretty easily.

pretty sure the 325i file I have is a 3l. eventually I'll get a full dump off our 325xi.
Appreciate 0
      09-19-2014, 12:20 PM   #47
David0ff
Combined Applications Group
David0ff's Avatar
Canada
733
Rep
532
Posts

Drives: Lada Scrapus Trofeo R
Join Date: Jan 2014
Location: Classified

iTrader: (1)

Quote:
Originally Posted by hassmaschine View Post
you'll want to use OBD for that, it's the simplest way. I'm not sure what products allow you to read and write yourself, most of the big tuners will sell you a black box that you can't do anything with. OFT might but it might also be encrypted.

another issue is checksums but I should be able to figure that out pretty easily.
There was this thread on N54tuning which I can no longer find where in a similar way to the OFT you can download the maps via ODB2 and change things as you wish, it was under the name Tune for free or something along those line.

I guess the OFT guys made sure it is buried or deleted.

I believe there was a OBD to USB cable involved and the same programs you mentioned above.

Also you mentioned the need to change the check-sums in order for changes to be implemented, do you have access to these once you open the dump files?


Thx Hass
Appreciate 0
      09-19-2014, 12:38 PM   #48
hassmaschine
Major General
United_States
2779
Rep
5,884
Posts

Drives: "NBO" 330i
Join Date: Jun 2014
Location: earth

iTrader: (0)

yeah I haven't specifically changed them yet but I know how to find them.
Appreciate 0
      09-19-2014, 01:18 PM   #49
Taskmaster
Banned
Japan
2305
Rep
9,158
Posts

Drives: M235i 6MT / E92 328 Msport 6MT
Join Date: Nov 2013
Location: Florida

iTrader: (6)

Quote:
Originally Posted by hassmaschine View Post
325i intake valve map:


330i intake valve map:


low load is basically the same but part load and full load are completely different. at first I thought the 325i was more aggressive but now that I see it, it basically peaks out at about 80% load. I guess partly to make up for the lack of the 3 stage manifold?

this is really just scratching the surface though. this will take months of effort to figure out, I don't even know what the effects of this map and many others truly are.

I have to stop for today but I'll post more as I find it.

oh yeah, the left axis is rf (relative filling) and the top axis is of course RPM. the units are in mm.
Max lift on the 325i is also at the 9.7mm? (if I'm reading the correctly)
Appreciate 0
      09-19-2014, 01:26 PM   #50
hassmaschine
Major General
United_States
2779
Rep
5,884
Posts

Drives: "NBO" 330i
Join Date: Jun 2014
Location: earth

iTrader: (0)

yes but it doesn't go full lift until much later in the RPM curve. look at 100 rf at 2000rpm, 330i is at 9.7mm while 325i is only 5.8.. that's a huge difference. I'm guessing the 330i can go to full lift earlier because of better filling from the 3 stage intake?
Appreciate 0
      09-19-2014, 01:59 PM   #51
David0ff
Combined Applications Group
David0ff's Avatar
Canada
733
Rep
532
Posts

Drives: Lada Scrapus Trofeo R
Join Date: Jan 2014
Location: Classified

iTrader: (1)

^ yeah it looks that way, you get way more power across the rev range with the extra depth in most cells
Appreciate 0
      09-20-2014, 09:14 AM   #52
Taskmaster
Banned
Japan
2305
Rep
9,158
Posts

Drives: M235i 6MT / E92 328 Msport 6MT
Join Date: Nov 2013
Location: Florida

iTrader: (6)

Hmm, I thought I really the 325i dropped the lift my a significant amount near 6300rpm?Looking forward to what tou find.
Appreciate 0
      09-20-2014, 09:52 AM   #53
hassmaschine
Major General
United_States
2779
Rep
5,884
Posts

Drives: "NBO" 330i
Join Date: Jun 2014
Location: earth

iTrader: (0)

I think thats the rev limiter. Its a "soft" limiter that i think pulls timing, fuel, and i belive vanos. I think that could be tweaked, i much prefer a hard ful cut.. lol
Appreciate 0
      09-20-2014, 11:47 AM   #54
David0ff
Combined Applications Group
David0ff's Avatar
Canada
733
Rep
532
Posts

Drives: Lada Scrapus Trofeo R
Join Date: Jan 2014
Location: Classified

iTrader: (1)

Quote:
Originally Posted by hassmaschine View Post
I think thats the rev limiter. Its a "soft" limiter that i think pulls timing, fuel, and i belive vanos. I think that could be tweaked, i much prefer a hard ful cut.. lol
haha me too
on N/A its not bad but if you mess up a fuel cut style limiter on a turbo car it could go boom
Appreciate 0
      09-20-2014, 11:57 AM   #55
e90pilot
Freight Dawg
e90pilot's Avatar
United_States
75
Rep
2,130
Posts

Drives: E90 325i
Join Date: Jul 2005
Location: Oakland, CA

iTrader: (3)

Quote:
Originally Posted by TheAxiom View Post
Hmm, I thought I really the 325i dropped the lift my a significant amount near 6300rpm?Looking forward to what tou find.
The 325i closes the throttle a bit at high rpm. Cheap way of limiting power to keep off the 330i's toes.
__________________
--Marcelo
'06 Arctic Metallic 325i | Sport Package | 6MT | Dinan Stage III suspension | Dinan exhaust | 330i manifold swap! Click here! | Active Autowerke tune | 135i Brake Calipers | Deiselboost caliper brackets | E46 M3 front rotors
Appreciate 0
      09-20-2014, 12:19 PM   #56
hassmaschine
Major General
United_States
2779
Rep
5,884
Posts

Drives: "NBO" 330i
Join Date: Jun 2014
Location: earth

iTrader: (0)

I think you could do it if you can disable the spark cut, there's a threshold for RPM above the rev limit for a hard fuel cut. Just set that to zero, perhaps.
Appreciate 0
      09-20-2014, 12:28 PM   #57
e90pilot
Freight Dawg
e90pilot's Avatar
United_States
75
Rep
2,130
Posts

Drives: E90 325i
Join Date: Jul 2005
Location: Oakland, CA

iTrader: (3)

Quote:
Originally Posted by hassmaschine View Post
I think you could do it if you can disable the spark cut, there's a threshold for RPM above the rev limit for a hard fuel cut. Just set that to zero, perhaps.
I was just about to mention this. You can actually hit the hard cut in neutral or first gear. The soft limiter is too slow.
__________________
--Marcelo
'06 Arctic Metallic 325i | Sport Package | 6MT | Dinan Stage III suspension | Dinan exhaust | 330i manifold swap! Click here! | Active Autowerke tune | 135i Brake Calipers | Deiselboost caliper brackets | E46 M3 front rotors
Appreciate 0
      09-20-2014, 03:51 PM   #58
Chelsea_Tractor
Major General
Chelsea_Tractor's Avatar
No_Country
5361
Rep
6,136
Posts

Drives: X5M
Join Date: May 2013
Location: X

iTrader: (1)

Bravo to you sir!
Appreciate 0
      09-22-2014, 08:21 PM   #59
LaCross
Second Lieutenant
41
Rep
240
Posts

Drives: e90 335xi
Join Date: Aug 2014
Location: United States

iTrader: (0)

It looks like the Vishnu OTS tune does indeed modify valve lift
Appreciate 0
      09-22-2014, 09:44 PM   #60
Taskmaster
Banned
Japan
2305
Rep
9,158
Posts

Drives: M235i 6MT / E92 328 Msport 6MT
Join Date: Nov 2013
Location: Florida

iTrader: (6)

Quote:
Originally Posted by LaCross View Post
It looks like the Vishnu OTS tune does indeed modify valve lift
Does it?
Appreciate 0
      09-22-2014, 09:57 PM   #61
hassmaschine
Major General
United_States
2779
Rep
5,884
Posts

Drives: "NBO" 330i
Join Date: Jun 2014
Location: earth

iTrader: (0)

it's encrypted so I don't know how you can tell.

also, unfortunately since it's encrypted it means you can't use OFT to flash custom tunes. it really is sort of worthless..
Appreciate 0
      09-22-2014, 10:12 PM   #62
LaCross
Second Lieutenant
41
Rep
240
Posts

Drives: e90 335xi
Join Date: Aug 2014
Location: United States

iTrader: (0)

Im not sure what you mean? I can load any .bin file to it and flash it...
As far as the .bin itself, it doesn't appear to be any kind of encrypted. I can view it in TunerPro without a problem.


And I can tell you that my Valve Lift map is indeed modified.

Last edited by LaCross; 09-22-2014 at 10:18 PM..
Appreciate 0
      09-22-2014, 10:22 PM   #63
hassmaschine
Major General
United_States
2779
Rep
5,884
Posts

Drives: "NBO" 330i
Join Date: Jun 2014
Location: earth

iTrader: (0)

Really? That wasn't my impression. That's good news though.
Appreciate 0
      09-22-2014, 10:23 PM   #64
LaCross
Second Lieutenant
41
Rep
240
Posts

Drives: e90 335xi
Join Date: Aug 2014
Location: United States

iTrader: (0)

Yea, Who told you it was encrypted?
Appreciate 0
      09-22-2014, 11:34 PM   #65
Taskmaster
Banned
Japan
2305
Rep
9,158
Posts

Drives: M235i 6MT / E92 328 Msport 6MT
Join Date: Nov 2013
Location: Florida

iTrader: (6)

Quote:
Originally Posted by LaCross View Post
Im not sure what you mean? I can load any .bin file to it and flash it...
As far as the .bin itself, it doesn't appear to be any kind of encrypted. I can view it in TunerPro without a problem.


And I can tell you that my Valve Lift map is indeed modified.
Pictures of the valve lift map?
Appreciate 0
      09-23-2014, 07:26 AM   #66
hassmaschine
Major General
United_States
2779
Rep
5,884
Posts

Drives: "NBO" 330i
Join Date: Jun 2014
Location: earth

iTrader: (0)

wouldn't that be stealing? maybe in his own thread.
Appreciate 0
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 06:45 PM.




e90post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST