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JB4 Information thread for 2.0T 252hp

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Old 11-09-2018, 03:42 PM
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Originally Posted by antsh
This will work on the DSG in our A4s (not an automatic like the S4s)? Could you provide a little detail as to the changes it makes, the description on the website is a bit sparse.
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Old 11-09-2018, 03:49 PM
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This changes the shift points, torque settings and clamping pressure. It locks certain values in place and resets others to be learned once they are set. The end result is that from a stop, the clamping pressure is higher, allowing for the car to hold the gear faster and longer. From cruising speed, it actually lowers the clamping pressure so when you go to accelerate, it will move to a lower gear faster, then clamp higher so you get more torque, faster.
Old 11-09-2018, 03:51 PM
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Originally Posted by antsh
This will work on the DSG in our A4s (not an automatic like the S4s)? Could you provide a little detail as to the changes it makes, the description on the website is a bit sparse.
Originally Posted by Allroading17
Also interested
I think it will be more appropriate for them to make their own product specific thread. Its not usual practice on forums for vendors to post in other vendors threads
Old 11-09-2018, 03:56 PM
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Sorry George. Didn't mean to cross pollinate. No harm intended and there was no competing item discussed.
Old 11-19-2018, 09:26 AM
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Hi George,

Is BMS having any Black Friday sales ( JB4 wireless mobile connect ) ??

thanks
Old 11-19-2018, 09:36 AM
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Hi George,

One question I have is, for the JB4 wireless mobile connect, can you use this device to change the setting to stock ? thank you in advance
Old 11-19-2018, 10:08 AM
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Originally Posted by coupegt87
Hi George,

One question I have is, for the JB4 wireless mobile connect, can you use this device to change the setting to stock ? thank you in advance
Hi,

As a company we don't discount our own products. We run the same price year round. It keeps our dealer network happy and the used price more stable.
Note on the wireless kit the app is sold separately. You can check the price in the app store, its sold by the developer and is called JB4 Mobile.
You can use it to map switch as well so can select stock.
Old 11-19-2018, 10:54 AM
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Originally Posted by coupegt87
Hi George,

Is BMS having any Black Friday sales ( JB4 wireless mobile connect ) ??

thanks
I sent an email asking the same and he claimed they do not run any promotions.
Old 11-29-2018, 07:51 AM
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Hi George,
So the JB 4 mobile kit is installed and connected,

I have 2 questions regarding the JB4 mobile connect,
1) when you change the map setting on the go, how long does it take to change all the parameters ? ( ie changing from map 1 to map 0 )

2) can you elaborate what AFR (air fuel ratio) numbers are ? & IGN does ? Thank you in advance !
Old 11-29-2018, 08:02 AM
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Originally Posted by coupegt87
Hi George,
So the JB 4 mobile kit is installed and connected,

I have 2 questions regarding the JB4 mobile connect,
1) when you change the map setting on the go, how long does it take to change all the parameters ? ( ie changing from map 1 to map 0 )

2) can you elaborate what AFR (air fuel ratio) numbers are ? & IGN does ? Thank you in advance !
It will map switch instantly.

The AFR is the air fuel ration. On full load it should sit at low 13's relative to which gear the car is in, the amount of load and the exhaust gas temperature.
Ign1 is timing advance. You want this to go up as the rpm increase at the higher rpm point.
Ign2-5 is timing adaption and typically you want to keep this to a minimum or none at all. The ECU will at times as the car reaches peak boost adjust this to help with boost control (torque targeting).



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