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Default TMAP QUESTIONS? - 05-23-2016, 09:00 AM

with the stock tmap sensor (135i n55) what's the highest possible boost that can be targeted? Also, with a stage one turbo upgrade from vtt is a 3.5 bar sensor necessary?


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Default 05-23-2016, 09:09 AM

20psi on the factory sensor. The 3.5bar is a good idea for any larger than OEM turbo even a Stage1. As the Stage1 can produce around 21-22psi in the midrange. Why cap it?


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Default 05-23-2016, 09:19 AM

Quote:
Originally Posted by Terry @ BMS
20psi on the factory sensor. The 3.5bar is a good idea for any larger than OEM turbo even a Stage1. As the Stage1 can produce around 21-22psi in the midrange. Why cap it?
Awesome I totally agree. Also, will the g5 2 step relay for manual transmissions work for n55 or perhaps the antilag system you guys sell?


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Default 05-23-2016, 09:33 AM

No 2STEP or antilag for the N55 yet. Sorry!


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Default 05-23-2016, 10:09 AM

Quote:
Originally Posted by Terry @ BMS
20psi on the factory sensor. The 3.5bar is a good idea for any larger than OEM turbo even a Stage1. As the Stage1 can produce around 21-22psi in the midrange. Why cap it?
Fseries can also make 22psi midrange
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Default 05-23-2016, 10:09 AM

So terry i ahve the stage 1 pure turbo and all the hardware necesary for it, and i have the sensor laying around my house, i thouht that i cant install it whit out the stage 2 turbo.
if i install it i could get an advantage of performance ???
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Default 05-23-2016, 10:32 AM

You can install it. I have it installed with the stock turbo. Just gotta change the JB4 software to recognize it.


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Default 05-23-2016, 10:38 AM

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Originally Posted by Mike_L
You can install it. I have it installed with the stock turbo. Just gotta change the JB4 software to recognize it.
mike a question, is there anithing else i need to change or only droped in the engine start the car wait for it and drive nuts jajajaja
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Default 05-23-2016, 10:53 AM

You need to make a change in the BMS software so the JB4 knows that you changed the MAP.


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Default 05-23-2016, 11:40 AM

Can stock turbo N55 F32 do 20psi safely on E30 ?

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Default 05-23-2016, 12:06 PM

Not ***ted. Its gonna have a hard time passing 17 or 18. Even without one, my car peaked at just under 15psi on Saturday on the dyno (E30, Map 5).


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Default 05-23-2016, 02:14 PM

Quote:
Originally Posted by frefer82
mike a question, is there anithing else i need to change or only droped in the engine start the car wait for it and drive nuts jajajaja
You will need to put a 1 in this setting for the JB4 to make sense of the sensor.
Name:  TMAP Setting.jpg
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Quote:
Originally Posted by F32Boost
Can stock turbo N55 F32 do 20psi safely on E30 ?

Kaated DP , chargepiped & Intercooled
You will need to log as you turn up boost to know for sure. I do not know the limits of the HPFP on the F series but with more air, you need more fuel. My guess is that you would be close to the limits of the pump.


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