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      10-16-2012, 06:19 PM   #1
Mike@N54Tuning.com
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New - JB4 G5 Complete Units Now Available!! **FREE SHIPPING**

The normal JB4 board is called the G4. The G5 has everything the G4 has in addition to:

1) A revised boost control system allowing both isolated or integrated control with no hardware PWM/duty cycle limits, etc. PWM limiting is all software/firmware based.
2) Built in crank position offset (CPS) and speed limit defeat (SLD) through additional wires that can be connected to the DB9 connector w/ the BMS USB cable.
3) An extra high current output that can be used to power a 2STEP relay, nitrous relay, etc.
4) 1.8k O2 biasing resistors instead of 2.7k biasing resistors allowing a wider range of AFR adjustment.
5) Some additional analog and digital I/O for future expansion.


JB4 PnP G5 - $529.00 On Sale for $479.00
http://www.n54tuning.com/index.php?_...d&productId=73

There is a G5 option in the product options, so make sure to specify G5 board when ordering if you want the upgrade. There is no additional charge for a G5 board versus the G4 board, but the G5 board is meant for FBO cars or those with upgraded turbos. Regular tune only or very lightly modded cars will not see any advantage with the G5 versus the G4.

Applications:
2006-2010 E90 Sedan 335i / 335xi
2006-2010 E91 Touring 335i / 335xi
2006-2010 E92 Coupe 335i / 335xi
2007-2010 E93 Convertible 335i / 335xi
2008-2010 E60 Sedan 535i / 535 xi
2008-2010 E61 Touring 535i / 535 xi
2008-2010 E82 Coupe 135i
2011+ 335is
2008-2010 E88 Convertible 135i
2008-2010 BMW X6 xDrive35i
2009+ BMW Z4 sDrive35i
2011+ 1M
Fully compatible with DCT transmissions!

Last edited by Mike@N54Tuning.com; 12-06-2013 at 04:51 PM.
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      10-27-2012, 03:02 PM   #2
Mike@N54Tuning.com
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Bump for the #1 tune for the n54 and n55.. In stock and ready to ship @ www.n54tuning.com

FREE Shipping on JB4s!!! and as always the LOWEST price Guaranteed!!

Mike
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      10-30-2012, 09:21 AM   #3
Mike@N54Tuning.com
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Bump for the G5 with ISO boost control!!

Mike
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      11-05-2012, 07:42 PM   #4
Mike@N54Tuning.com
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Bump for the #1 tune for the n54 and n55.. In stock and ready to ship @ www.n54tuning.com

FREE Shipping on JB4s!!! and as always the LOWEST price Guaranteed!!

Mike
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      11-05-2012, 08:01 PM   #5
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I bought my car recently with a JB4 pre-installed... how can I tell if I have the G4 or the G5?
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2008 135i Montego Blue sport pkg, premium pkg, Logic 7 sound, iDrive/Nav
Mods completed: JB4+ & FBO || LSD || BMW-P suspension + F/R sway bars || 18" Breyton GTS-R || M3 front bushings || Vogtland camber plates || BMW-P rotors + Stoptech pads |||| Acquired, not installed: BMS WW Meth kit || Logic HVI intake || Mishimoto OCC |||| Shopping for: Summer tires
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      11-05-2012, 08:57 PM   #6
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You said the G5 board is for FBO ect. Can you still run g5 on a lightly modified platform with the intention of FBO in the future?

Is it possible for G4 owners to upgrade to G5?
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      11-05-2012, 09:32 PM   #7
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Quote:
Originally Posted by ChrisCote View Post
You said the G5 board is for FBO ect. Can you still run g5 on a lightly modified platform with the intention of FBO in the future?

Is it possible for G4 owners to upgrade to G5?
Yes you can

Here is the link for the G5 Upgrade. Anybody with a JB3 or JB4 G4 can upgrade to the G5.

http://www.n54tuning.com/index.php?_...&productId=116

Mike
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      11-05-2012, 09:33 PM   #8
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Quote:
Originally Posted by splitsecond View Post
I bought my car recently with a JB4 pre-installed... how can I tell if I have the G4 or the G5?
The G5 has only been out a few months so I doubt you have it installed in the car. The box is labelled G5 on it.

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      11-06-2012, 01:17 AM   #9
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Would it be alright to purchase G5 and run it lightly modified??
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      11-06-2012, 02:02 AM   #10
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I know others have asked similar questions, but I'm still a little concerned. I have no engine mods at all. My first engine mod will be a JB4. While I don't have plans for fbo right now, I may in the future. I would like to be ready if that happens. Is there any disadvantage to having a G5 board over a G4 on a car that's not modified at all? Thanks!
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      11-06-2012, 04:03 PM   #11
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Quote:
Originally Posted by ChrisCote View Post
Would it be alright to purchase G5 and run it lightly modified??
Yes you can but the benefit over the G4 is only evident on the FOB cars but there is no harm with getting it on a lightly moded car.

Quote:
Originally Posted by blakelocati View Post
I know others have asked similar questions, but I'm still a little concerned. I have no engine mods at all. My first engine mod will be a JB4. While I don't have plans for fbo right now, I may in the future. I would like to be ready if that happens. Is there any disadvantage to having a G5 board over a G4 on a car that's not modified at all? Thanks!
No disadvantage but no advantage so you might as well get the G5 so you are ready when you go FOB.

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      11-07-2012, 08:20 PM   #12
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In stock and shipping @ www.n54tuning.com

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      11-07-2012, 10:22 PM   #13
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Thanks.

Also can you run E85 on the g4 board or only g5???

Map 5 (DCI+JB)
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      11-08-2012, 09:54 AM   #14
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Quote:
Originally Posted by ChrisCote View Post
Thanks.

Also can you run E85 on the g4 board or only g5???

Map 5 (DCI+JB)
You can run E85 on the JB4, but I think the G5 is better suited for that especially if you are running higher mixes (above 50%)

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      11-08-2012, 07:35 PM   #15
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There we go! Gonna get the G5.
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      11-10-2012, 08:54 AM   #16
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Quote:
Originally Posted by ChrisCote View Post
There we go! Gonna get the G5.
Awesome

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      11-15-2012, 08:54 AM   #17
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In stock and shipping @ www.n54tuning.com

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      11-17-2012, 09:53 PM   #18
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Bump for the G5!! Its been flying off the shelves!!

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      11-27-2012, 07:08 PM   #19
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      11-29-2012, 02:56 PM   #20
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      12-17-2012, 05:07 PM   #21
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      12-17-2012, 05:14 PM   #22
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Will the G4 tunes for the N55 continue to be developed?
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