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CrAzY-HoRsE CrAzY-HoRsE is offline
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Default GTI PP MK7.5 - JB4 - 04-09-2018, 07:05 AM

Just got my new GTI PP MK7.5 245HP MY2018, and was wondering if my JB4 fits, if yes, is there any special instructions for this car, or is just plug 'n' play?
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George @ BMS George @ BMS is offline
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Default 04-09-2018, 10:25 AM

Hi,

It works fine. On the PP the AFR wire is not used as it has a different O2 sensor.


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CrAzY-HoRsE CrAzY-HoRsE is offline
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Default 04-09-2018, 12:32 PM

Thanks George, but how will it run without the AFR wire, my understanding was that the AFR wire ensured the smoothness that the JB4 is known for.
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George @ BMS George @ BMS is offline
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Default 04-09-2018, 01:27 PM

Quote:
Originally Posted by CrAzY-HoRsE
Thanks George, but how will it run without the AFR wire, my understanding was that the AFR wire ensured the smoothness that the JB4 is known for.
The smoothness is from the fuel rail pressure sensor that gets biases as well as the JB4 recognizing throttle input so that the boost add can be fed in a linear fashion unlike other units that don't have CAN connectivity and are triggered solely from a certain boost value and up.


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CrAzY-HoRsE CrAzY-HoRsE is offline
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Default 04-09-2018, 02:53 PM

Sorry my bad, I mixed things. The AFR is so that you donít run lean.

I normally use map 6, if I donít use rhe AFR should any of the mumbers be changed then, I recall something about fuel bias should be set to 100
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George @ BMS George @ BMS is offline
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Default 04-09-2018, 03:46 PM

Quote:
Originally Posted by CrAzY-HoRsE
Sorry my bad, I mixed things. The AFR is so that you donít run lean.

I normally use map 6, if I donít use rhe AFR should any of the mumbers be changed then, I recall something about fuel bias should be set to 100
For the PP run map 1 and shoot over a log to me and we can do something custom taking into account the AFR is not connected.
The PP runs quite a bit richer in the facelift so there is a bigger window for boost.


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Dave C Dave C is offline
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Default 04-16-2018, 02:48 AM

Quote:
Originally Posted by George @ BMS
Hi,

It works fine. On the PP the AFR wire is not used as it has a different O2 sensor.
Hi George, I asked you on a different forum about the possibility of the blue wire being the AFR tap on the MK7.5 PP GTI. Have you found out if we can tap into this wire to run map 2?

Cheers,

David
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George @ BMS George @ BMS is offline
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Default 04-16-2018, 06:56 PM

Quote:
Originally Posted by Dave C
Hi George, I asked you on a different forum about the possibility of the blue wire being the AFR tap on the MK7.5 PP GTI. Have you found out if we can tap into this wire to run map 2?

Cheers,

David
It seems to be the white wire. Its splits into two wires going to the DME, unsure at this point what it will do.
If you willing to experiment connect to that and set the Fuel bias value to 20 and shoot over a log and I can evaluate it.


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Default 04-16-2018, 11:48 PM

Quote:
Originally Posted by George @ BMS
It seems to be the white wire. Its splits into two wires going to the DME, unsure at this point what it will do.
If you willing to experiment connect to that and set the Fuel bias value to 20 and shoot over a log and I can evaluate it.
I George. Thanks for getting back to me. I'll connect it up today and send over a log to you. Do i set the fuel bias value in map 6?
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George @ BMS George @ BMS is offline
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Default 04-17-2018, 06:07 AM

Quote:
Originally Posted by Dave C
I George. Thanks for getting back to me. I'll connect it up today and send over a log to you. Do i set the fuel bias value in map 6?
The fuel bias values affect all the map so leave it in map 1 for now.


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Default 04-17-2018, 06:17 AM

Quote:
Originally Posted by George @ BMS
The fuel bias values affect all the map so leave it in map 1 for now.
Will leave it on map 1. How do i change the fuel bias value using the phone app to value 20?
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Default 04-17-2018, 06:25 AM

Quote:
Originally Posted by Dave C
Will leave it on map 1. How do i change the fuel bias value using the phone app to value 20?
Go to Settings then User adjustment settings. The fuel bias is the window next to map 6 boost. The values start at 3000rpm.


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Dave C Dave C is offline
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Default 04-17-2018, 10:54 AM

Quote:
Originally Posted by George @ BMS
Go to Settings then User adjustment settings. The fuel bias is the window next to map 6 boost. The values start at 3000rpm.
Cheers George.

Here's the logs for you. 3rd Gear full throttle. Car is DSG with VWR600 intake.

https://***********/u/david-c/log-15...log=0&data=1-4

https://***********/u/david-c/log-15...log=0&data=1-4

David
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CrAzY-HoRsE CrAzY-HoRsE is offline
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Default 04-24-2018, 04:01 AM

Any news on the AFR wire
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George @ BMS George @ BMS is offline
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Default 04-24-2018, 05:17 AM

Quote:
Originally Posted by CrAzY-HoRsE
Any news on the AFR wire
Yes, its confirmed that the white wire is the correct one to tap into.


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jmklimchuk jmklimchuk is offline
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Default 05-24-2018, 11:11 AM

Hey George,

I tapped into the red wire on my 2018 PP GTI following the installation instructions, but I am getting an AFR reading on the gauge on the smartphone app and I see the yellow line for it on the log files, although I don't know if the JB4 is reading that info from somewhere else and is using the tap into the AFR wire as an output.

I just wanted to reach out and confirm whether or not I should move it from the red wire to the white wire before I change anything. Thanks!
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George @ BMS George @ BMS is offline
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Default 05-24-2018, 11:36 AM

Quote:
Originally Posted by jmklimchuk
Hey George,

I tapped into the red wire on my 2018 PP GTI following the installation instructions, but I am getting an AFR reading on the gauge on the smartphone app and I see the yellow line for it on the log files, although I don't know if the JB4 is reading that info from somewhere else and is using the tap into the AFR wire as an output.

I just wanted to reach out and confirm whether or not I should move it from the red wire to the white wire before I change anything. Thanks!
White is the correct one. Sorry about that will get the install updated now.


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jmklimchuk jmklimchuk is offline
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Default 05-24-2018, 11:43 AM

Quote:
Originally Posted by George @ BMS
White is the correct one. Sorry about that will get the install updated now.
No worries, at least it's in an easy spot, I'll pop it over when I leave work.
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George @ BMS George @ BMS is offline
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Default 06-22-2018, 06:20 AM

Hi,

Can one of you guys please shoot me over a picture of the positap connected to the white wire for our install instructions. George@burgertuning.com .


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George @ BMS George @ BMS is offline
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Default 06-24-2018, 08:29 AM

Got quite a few pictures sent by guys which is appreciated but noticed some guys have MK7.5's but no PP cars that have the old type O2 sensor with the grey plugs and five wires. On those you connect on the red.

For Mk7.5 PP 245 and Skoda vRS245 connect as per the below:



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