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      05-07-2018, 02:15 AM   #1
Brunkes
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Torque and the 40e

Coming from an F11 525d (3.0l) and when replacing it for a F15 40e, I felt like I had made the wrong choice. The lack of torque really annoyed me. (I selected the hybrid mainly because of tax reasons)

But then... after ECU remapping, I'm happy again
Impressed how different the car feels...

new numbers are 403bhp and 656Nm of torque
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      05-07-2018, 04:25 AM   #2
CatalinP
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Almost 200Nm more? How Long it Will last?
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      05-07-2018, 04:32 AM   #3
Brunkes
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Quote:
Originally Posted by CatalinP View Post
Almost 200Nm more? How Long it Will last?
Probably until it breaks...
No, I've been told this is still within the safety margins. My previous car also received similar update and I did almost 100.000km with it since.

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      05-07-2018, 05:21 AM   #4
CatalinP
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I hardly doubt the values are real. In any case, make sure the gearbox can take the torque.
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      05-07-2018, 06:17 AM   #5
Brunkes
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Quote:
Originally Posted by CatalinP View Post
I hardly doubt the values are real. In any case, make sure the gearbox can take the torque.

Figures are 100% real. Measured on a Dynostar. (@BR Performance)
BTW, I also did a 0-100km/h test (with an app on my mobile - Speed logic Lite)
(you can discuss how correct the figures are, but anyhow this is what I measured)
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      05-07-2018, 06:49 AM   #6
gwes
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Quote:
Originally Posted by Brunkes View Post
Coming from an F11 525d (3.0l) and when replacing it for a F15 40e, I felt like I had made the wrong choice. The lack of torque really annoyed me. (I selected the hybrid mainly because of tax reasons)

But then... after ECU remapping, I'm happy again
Impressed how different the car feels...

new numbers are 403bhp and 656Nm of torque
Who did you have donthe ECU remapping?
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      05-07-2018, 07:03 AM   #7
Brunkes
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Quote:
Originally Posted by gweslock View Post
Who did you have donthe ECU remapping?
was done by BR-Performance.
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      05-07-2018, 07:21 AM   #8
gwes
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Quote:
Originally Posted by Brunkes View Post
was done by BR-Performance.
Thanks!
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      05-07-2018, 07:25 AM   #9
sj22
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This is a game changer since I have been eyeing the 40e due to HOV access, will subscribe to this thread.
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      05-07-2018, 08:45 AM   #10
gwes
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Quote:
Originally Posted by sahiljain22 View Post
This is a game changer since I have been eyeing the 40e due to HOV access, will subscribe to this thread.
The HOV access and the govt rebate make it really appealing.
I had a look into this a little while ago and it looks like the BR-Tuning gets 60hp-ish more than some of the other companies that offer the same/similar remapping.
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      05-07-2018, 04:57 PM   #11
theove
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According to this site the max st. torque is 550Nm: http://www.autocarpro.in/news-intern...nsmission-9229

Last edited by theove; 05-07-2018 at 05:09 PM..
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      05-08-2018, 12:04 AM   #12
Brunkes
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Quote:
Originally Posted by theove View Post
According to this site the max st. torque is 550Nm: http://www.autocarpro.in/news-intern...nsmission-9229

If we know exactly the type of the transmission, we can look it up. But referring to Wikipedia, the type is a 8-speed ZF 8HP automatic.
https://en.wikipedia.org/wiki/BMW_X5_(F15)
en when digging deeper, it is specifying the model/type to "8HP75 (2nd Generation)" which can handle up to 750Nm. (If this information is correct?)
https://en.wikipedia.org/wiki/ZF_8HP_transmission
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      05-08-2018, 01:21 AM   #13
theove
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The transmission is not the 8HP but the 8P 70 or 75 (hybrid).
See bottom: https://www.newtis.info/tisv2/a/en/f...ission/1RnIpsi
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