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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Just Got A Used Jb3 And Got A Couple Of Questions!!!



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      05-16-2010, 07:39 AM   #1
JohnSprm69
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Just Got A Used Jb3 And Got A Couple Of Questions!!!

i just got a used jb3 pnp and can't wait to install it.

the guy that i got it from was running it on map 7, when i install it in my car will it be on map 7 or will it default back to map 3?

i'm gonna be putting an intake too but dont have it yet, should i wait to install both at the same time or just go ahead and install the jb3 now?

thanks guys
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      05-16-2010, 07:58 AM   #2
cotmfk
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Depending on what intake you bought, you should just wait to install. When you take some of the parts off for the JB3 install, you will be making it easier to install the intake. Remember to run Map 3 for a few days before bumping it up.
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      05-16-2010, 08:38 AM   #3
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If all he did was take the JB3 out and send it to you, it'll be on whatever map, with whatever settings he last used. So in this case, it'll come to you on map7, you should set it to whatever map you want to use.

The only time, maps or settings are changed is when, you remove the CHIP from the board and re-burn with the programmer.
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      05-16-2010, 08:48 AM   #4
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Quote:
Originally Posted by yandyr View Post
If all he did was take the JB3 out and send it to you, it'll be on whatever map, with whatever settings he last used. So in this case, it'll come to you on map7, you should set it to whatever map you want to use.

The only time, maps or settings are changed is when, you remove the CHIP from the board and re-burn with the programmer.

I actually spoke to terry and it does have persistent memory so the map would be saved. It's always a good idea to reset though as you never know what was set before.

For the intake i would say if you are getting it in a few days then wait but if you are going to wait a while just install the jb3 now. Why deprive yourself of all the fun


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      05-16-2010, 09:09 AM   #5
yandy
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
Once you unplug the jb3 from a power source it should revert back to default mapping. I don't believe it has persistent memory.

For the intake i would say if you are getting it in a few days then wait but if you are going to wait a while just install the jb3 now. Why deprive yourself of all the fun


Mike
I've unplugged mine several times and it sticks to whatever settings I had.. maybe I was drunk.. ether way, always best to make sure
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      05-16-2010, 09:58 AM   #6
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Doesnt really matter... OP should just should just re-choose the map again to what he wants.
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      05-16-2010, 01:58 PM   #7
JohnSprm69
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ok guys thanks, i will reset it when i install it and choose map 3. as for the intake im going with the injen and will wait to do both at the same time.



once again thanks
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