F30POST
F30POST
2012-2015 BMW 3-Series and 4-Series Forum
BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read
BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > XHP Trans Tune - Experiences and reviews?
proTUNING Freaks
Post Reply
 
Thread Tools Search this Thread
      08-12-2020, 02:39 PM   #111
B58togo
Major
806
Rep
1,367
Posts

Drives: M240i
Join Date: Feb 2017
Location: NY

iTrader: (0)

Quote:
Originally Posted by weehe126 View Post
One of the main reasons I bought this was to keep from dropping to 1st gear when almost coming to a stop. I only care about this when in manual mode and this is the only condition it doesn't stay in second. Kinda bummed. Also, manual mode In comfort shifts slower than my wife the first time I taught her to drive stick. I unfortunately don't think it was worth the $350.
Not really understanding wanting to use manual mode in Comfort mode, but to each his own.
__________________
2017 M240i/ ZF8 Pure Drivetrain Solutions Stage 1 & torque converter/xHP/ Pure 800 cast/ DS2/ E40 Doug Newton tuned/ ER catless DP/ Remus axle back/ BMS intake/ FTP CP/ M Performance LSD
Appreciate 0
      08-12-2020, 04:38 PM   #112
weehe126
Brigadier General
1156
Rep
3,179
Posts

Drives: 2017 340i
Join Date: Apr 2014
Location: San Antonio

iTrader: (2)

Quote:
Originally Posted by B58togo View Post
Not really understanding wanting to use manual mode in Comfort mode, but to each his own.
Well if no one uses manual mode in comfort, why did they botch it? If I need to pass someone quickly while cruising I always shift into manual mode. Now I have to switch to manual and sport+. I'm more pissed about manual mode not staying in 2nd. Still don't feel any aspect of the stage 3 flash was worth it.
Appreciate 0
      08-12-2020, 11:52 PM   #113
RMMAGA
Private
71
Rep
95
Posts

Drives: 120i
Join Date: Sep 2018
Location: China

iTrader: (0)

I also noticed the reduction in the blap blap sound on shift, however after listing and review the logs i think they re still there but with the short shift duration they are just much shorter in duration and therefore much less noticeable

that is why you still notice them in comfort, but in sport + they are almost gone because the shift times are faster

basically they are extreme timing pulls that is used to reduce torque during the shift and not stress the clutches, so faster ships mean you have less of a disruption in power and therefore less time to fart explosions our your exhaust ports, you go faster but in less style lol

if you look at the logs you will see that the time window the timing is pulled and power is reduced making the blap blaps is reduced form about 250ms to about 100ms with XHP in S+, so it would make sense that is is much much less noticeable
Appreciate 0
      08-13-2020, 05:59 AM   #114
trescuarenta
Private
32
Rep
57
Posts

Drives: BMW 340i xDrive
Join Date: May 2020
Location: Amsterdam

iTrader: (0)

Does anyone know what the adaptation values exactly mean?
__________________
2020 M340i xDrive Mineral White Metallic
RIP: 9 second 1/4 BMW 340i xDrive Melbourne Red | Instagram: daddy.340
Appreciate 0
      08-13-2020, 07:21 AM   #115
BBri89
Captain
BBri89's Avatar
United Kingdom
513
Rep
749
Posts

Drives: F31 320d xDrive M Sport
Join Date: Jul 2020
Location: West Sussex, UK

iTrader: (0)

Garage List
Quote:
Originally Posted by trescuarenta View Post
Does anyone know what the adaptation values exactly mean?
I do not. But I know they didn't change as a result of the flash either.


https://m.facebook.com/xhpflashtool/...23761651273188

This might answer some of your Qs
__________________
2015 F31 320d xDrive M Sport (Plus pack)

My progress thread
Appreciate 0
      08-13-2020, 07:30 AM   #116
anielsen71
Major
Denmark
557
Rep
1,499
Posts

Drives: F36 435xd
Join Date: Mar 2012
Location: Behind the wheel

iTrader: (0)

Garage List
Quote:
Originally Posted by trescuarenta View Post
Does anyone know what the adaptation values exactly mean?
Adaption values shows tear and wear on the clutchpack, the higher the more they are worn.
As I got it explained from a BMW tech it is a number for, how much force is used to hold the "clutch" to prevent slip. Clutch in "" since there are no clutch in our tranny. IT works by oil that changes friction when it gets hot.
__________________
Brgds
Allan
‘15 F36 435xd Gran Coupé

Ex: E46 330d, E91 330dA
Appreciate 0
      08-13-2020, 08:47 AM   #117
jackstrath
Major
Scotland
659
Rep
1,239
Posts

Drives: 16' F31 340i & 03' Focus RS
Join Date: Aug 2014
Location: Aberdeen

iTrader: (0)

Has anyone got any draggy back to back runs showing benefits from the torque limiters being raised?
Appreciate 1
      08-21-2020, 09:11 AM   #118
alexchicago
Registered
0
Rep
1
Posts

Drives: 2016 335i Gran Turismo
Join Date: Jul 2015
Location: Chicago, IL

iTrader: (0)

I've searched for this answer prior to posting, so my apologies if it's been discussed, but does the xHP allow 8th gear in Sport Mode? I have a pre-LCI F34 that locks out 8th in Sport. I prefer the driving dynamics of Sport mode but would also like to use the full range of gears, especially on the freeway at 90mph without switching back to Comfort.
Appreciate 0
      08-21-2020, 10:31 AM   #119
Supr3me
Captain
Supr3me's Avatar
United_States
551
Rep
684
Posts

Drives: Your mom crazy
Join Date: Feb 2015
Location: Sioux Falls SD

iTrader: (0)

Garage List
Quote:
Originally Posted by alexchicago View Post
I've searched for this answer prior to posting, so my apologies if it's been discussed, but does the xHP allow 8th gear in Sport Mode? I have a pre-LCI F34 that locks out 8th in Sport. I prefer the driving dynamics of Sport mode but would also like to use the full range of gears, especially on the freeway at 90mph without switching back to Comfort.
Yes
Attached Images
 
__________________
2020 X3M
MG Flasher; Wedge Performance E50 tune
MSS Urban; Rohana RFX11
Appreciate 0
      09-07-2020, 09:19 PM   #120
les anderson
Second Lieutenant
146
Rep
201
Posts

Drives: 340i
Join Date: Jan 2019
Location: Miami

iTrader: (0)

Flashed stage 3 and sort of blow away by how the car has responded in s+, love it!

However, it tends to shift even earlier than the stock map when in comfort and sport.
I have seen a few other people cite this as well.


Would love to hear any thoughts/experience on how to mitigate. Has anyone had success with reverting to stock shift maps or using the shift map editor? Read the latter can be a mixed bag...

Thx
Appreciate 0
      09-18-2020, 12:13 PM   #121
chinniciF32
Noob
chinniciF32's Avatar
United_States
70
Rep
254
Posts

Drives: f32 n55
Join Date: Feb 2020
Location: Stamford, CT

iTrader: (0)

At first when I flashed to stage 3 I noticed how the tranny wants to hold on to the gears longer after I shift in comfort and sport and it really bothered me, I couldn't figure out why it was doing it so I tinkered around with the settings a little and saw some improvement but it didn't solve the problem, I kind of gave up and learned to live with it.

So now I drive in manual S+ or auto comfort and nothing else. I saw other people mentioned the up shift farts and idk if its because of my dme tune (mhd) settings with the downpipe and MPE but the farts are definetly there and extremely pronounced in sport+ to the point where I sometimes shift in high rpms in the lower gears just to hear them
__________________
FBO, MHD Stage 2+ E20, Xhp Stage 3
Appreciate 0
      11-30-2020, 04:31 AM   #122
misguided_will
Second Lieutenant
misguided_will's Avatar
Australia
57
Rep
299
Posts

Drives: 2018 BMW 340i M Sport
Join Date: Jan 2009
Location: Sydney

iTrader: (0)

Xhp newbie qn....

With the torque limit does it mean once u mods exceed the limit, youre wasting money modding beyond that?

Does xhp allow to remove the limiter but keep stock mapping?

Thx
Appreciate 0
      11-30-2020, 04:40 AM   #123
Techno 9000
Captain
515
Rep
940
Posts

Drives: 435D Estoril Blue
Join Date: Jan 2018
Location: East Sussex

iTrader: (0)

No. XHP allows you to alter the torque limit in each gear, so you can upgrade the engine output and the transmission won’t hold back the extra torque.

Yes, torque limits can be removed (raised so high they aren’t an issue) whilst retaining stock shift maps.
Appreciate 0
      11-30-2020, 05:30 AM   #124
misguided_will
Second Lieutenant
misguided_will's Avatar
Australia
57
Rep
299
Posts

Drives: 2018 BMW 340i M Sport
Join Date: Jan 2009
Location: Sydney

iTrader: (0)

Excellent. Thanks for the explanation 👍
Appreciate 0
      11-30-2020, 05:35 AM   #125
misguided_will
Second Lieutenant
misguided_will's Avatar
Australia
57
Rep
299
Posts

Drives: 2018 BMW 340i M Sport
Join Date: Jan 2009
Location: Sydney

iTrader: (0)

Sorry so to clarify, I have stage 2. That means the torque is capped at the 550nm even if the tune allows the engine to produce more?
Appreciate 0
      11-30-2020, 11:58 AM   #126
FirstBMWLA
Major
FirstBMWLA's Avatar
187
Rep
1,103
Posts

Drives: 2007 335i Coupe
Join Date: Oct 2007
Location: Dallas,TX

iTrader: (11)

Running stage 3 flash and like it in most ways.
I think I need to understand more of the settings though.
I feel like with car in sport mode(transmission D) it's just hunting for higher gears too quickly.
On partial throttle acceleration (~50%) it just shifts much quicker than I'd like.
Appreciate 0
      11-30-2020, 12:38 PM   #127
Techno 9000
Captain
515
Rep
940
Posts

Drives: 435D Estoril Blue
Join Date: Jan 2018
Location: East Sussex

iTrader: (0)

Quote:
Originally Posted by misguided_will View Post
Sorry so to clarify, I have stage 2. That means the torque is capped at the 550nm even if the tune allows the engine to produce more?

Nope. You can set the limits yourself in Xhp.

From the Xhp manual...
"5.11. Torque Limit per Gear
Especially on high power RWD cars limiting torque in the lower gears can improve traction and make them easier to handle. xHP offers a range from 300 Nm (221 ft lbs.) to the possible maximum of 1000 Nm (737 ft lbs.) for each gear. It can be used either to limit boost in the lower gears, or to limit the engine power overall in all gears to protect the drive-train components. The electronic limiter works by sending a request to the ECU (Engine Control Unit) to lower torque once the limit is reached. The ECU then takes the necessary measures (close the throttle/lower boost/lower timing) to stay steady on this limit. It's the same method applied during shifts, when the TCU (Transmission Control Unit) also takes over the torque control from the engine to enhance the shifting. This method of control works steady and within split seconds.


So you can set the 'limit' far higher than the engines output, so it is not being limited by the transmission.
Appreciate 0
      12-01-2020, 08:23 AM   #128
Supr3me
Captain
Supr3me's Avatar
United_States
551
Rep
684
Posts

Drives: Your mom crazy
Join Date: Feb 2015
Location: Sioux Falls SD

iTrader: (0)

Garage List
Quote:
Originally Posted by Techno 9000 View Post
Nope. You can set the limits yourself in Xhp.

From the Xhp manual...
"5.11. Torque Limit per Gear
Especially on high power RWD cars limiting torque in the lower gears can improve traction and make them easier to handle. xHP offers a range from 300 Nm (221 ft lbs.) to the possible maximum of 1000 Nm (737 ft lbs.) for each gear. It can be used either to limit boost in the lower gears, or to limit the engine power overall in all gears to protect the drive-train components. The electronic limiter works by sending a request to the ECU (Engine Control Unit) to lower torque once the limit is reached. The ECU then takes the necessary measures (close the throttle/lower boost/lower timing) to stay steady on this limit. It's the same method applied during shifts, when the TCU (Transmission Control Unit) also takes over the torque control from the engine to enhance the shifting. This method of control works steady and within split seconds.


So you can set the 'limit' far higher than the engines output, so it is not being limited by the transmission.
The limit is actually 1000 nm in 1st and 1200 in subsequent gears...
Attached Images
 
__________________
2020 X3M
MG Flasher; Wedge Performance E50 tune
MSS Urban; Rohana RFX11
Appreciate 0
      12-03-2020, 10:37 PM   #129
FirstBMWLA
Major
FirstBMWLA's Avatar
187
Rep
1,103
Posts

Drives: 2007 335i Coupe
Join Date: Oct 2007
Location: Dallas,TX

iTrader: (11)

Quote:
Originally Posted by les anderson View Post
Flashed stage 3 and sort of blow away by how the car has responded in s+, love it!

However, it tends to shift even earlier than the stock map when in comfort and sport.
I have seen a few other people cite this as well.


Would love to hear any thoughts/experience on how to mitigate. Has anyone had success with reverting to stock shift maps or using the shift map editor? Read the latter can be a mixed bag...

Thx
Just realized I guess I'm not the only one noticing the early shifts.
Would love some suggested settings to mitigate if anyone has some.
Appreciate 0
      12-03-2020, 10:53 PM   #130
FastF30
Lieutenant Colonel
FastF30's Avatar
521
Rep
1,288
Posts

Drives: 2015 335i xdrive Msport Mbrake
Join Date: Dec 2017
Location: Middle of the Road

iTrader: (0)

Garage List
I just drove 50 miles in comfort "D" and XHP adjusted to my driving.. down shifts really quick when I give it a little gas before I even notice it... seems like it's always in the right gear..... but today I put it in sport "D" and like it totally forgot how I drove... so we'll see as I start playing with it more now...

chinniciF32 ... Yea I got very pronounced shift farts too...lol..
Appreciate 0
      12-04-2020, 05:51 AM   #131
Glemm1970
Lieutenant
Glemm1970's Avatar
Russia
316
Rep
420
Posts

Drives: BMW M140IX.
Join Date: Apr 2020
Location: Vladivostok

iTrader: (0)

I recommend 700nm in 1 gear, 850nm from 2 to 5, and 750nm from 6 to 8.
__________________
M140IX. Turbo Pure 800 Cast.
Appreciate 0
      12-04-2020, 10:40 PM   #132
Supr3me
Captain
Supr3me's Avatar
United_States
551
Rep
684
Posts

Drives: Your mom crazy
Join Date: Feb 2015
Location: Sioux Falls SD

iTrader: (0)

Garage List
Quote:
Originally Posted by Glemm1970 View Post
I recommend 700nm in 1 gear, 850nm from 2 to 5, and 750nm from 6 to 8.
Out of curiosity, why do you choose these limits? Why not remove all the nannies and drive around wheelspin issues etc? I have mine all set to max.
__________________
2020 X3M
MG Flasher; Wedge Performance E50 tune
MSS Urban; Rohana RFX11
Appreciate 0
Post 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 01:44 PM.




f30post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, 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