|
|
|
|
|
|
BMW Garage | BMW Meets | Register | Today's Posts | Search |
|
BMW 3-Series (E90 E92) Forum
>
JB4 G4 Board vs. G5 Board
|
|
10-03-2012, 10:04 PM | #1 |
Lieutenant
50
Rep 512
Posts |
JB4 G4 Board vs. G5 Board
Looking into getting a used JB4 Tune with the G5 Board I will only be doing the DCI (already installed) and Tune.
Should I get the G4 board or the G5 board Tune?
__________________
E90 335i Alpine White
E90 328i Titanium Silver |
10-03-2012, 10:10 PM | #2 |
Major
348
Rep 1,407
Posts |
The normal JB4 with ur mod is fine. G5 is for those who want to run meth and bigger turbos at one point or another. Even fill nolt on guys are taking advantage of the G5 board to max out their stock twins.
|
Appreciate
0
|
10-03-2012, 10:35 PM | #4 |
Second Lieutenant
34
Rep 288
Posts |
If you can get the G5 board, get it!!
You will benefit from it even if running on stock turbos. Read: http://www.n54tech.com/forums/showthread.php?t=15904 and http://www.n54tech.com/forums/showthread.php?t=17336
__________________
Cobb / DCI / VRSF Downpipes / VRSF 7" Intercooler / Walbro LPFP / E85
|
Appreciate
0
|
10-04-2012, 12:11 AM | #5 |
Brigadier General
333
Rep 4,632
Posts |
Isolated boost is comign out for the G5 which is gonna be great. Boost is controlled completely by the JB4 and not through the DME. Snappier boost, more consistent and controlled.
On top of that, the G5 gives you unlimited boost, no OHM's to play with, and you get a built in speed limiter defeat. Along with No lift shift, 2 step limiter among other things. So Yes, its worth it even for no FBO guys. SLD, NLS, 2 step, isolated boost just somethings everyone can use. PLus its gonna have all the goodies that will come out down the road, so G5 is a no brainer.
__________________
Current: E63S AMG 4matic RENNtech || M5 Evolve..Eventuri || F10 LCI 535i MHD
Last edited by 5soko; 10-04-2012 at 12:57 AM.. |
Appreciate
0
|
10-04-2012, 05:52 AM | #6 | |
Lieutenant
50
Rep 512
Posts |
Quote:
__________________
E90 335i Alpine White
E90 328i Titanium Silver |
|
Appreciate
0
|
10-04-2012, 05:56 AM | #7 | |
Lieutenant
50
Rep 512
Posts |
Quote:
__________________
E90 335i Alpine White
E90 328i Titanium Silver |
|
Appreciate
0
|
10-04-2012, 06:18 AM | #8 |
Lieutenant
50
Rep 512
Posts |
How can you tell the differences between G4 and G5 both physical and electronic wise?
__________________
E90 335i Alpine White
E90 328i Titanium Silver |
Appreciate
0
|
10-04-2012, 06:56 AM | #9 |
Rainbow Racer
1008
Rep 2,539
Posts |
If you purchase a used G4 board, you either get 1) a 17.5psi limit 18ohm board, or 2) a 19.5psi limit 15ohm board. It depends on production dates, or if the original owner did a 18ohm to 15ohm modification.
5soko gave the best reasons for getting a G5 board. Add to that, the G5 also had built-in CPS module.
__________________
-Loe P.-
Prior Car:'14 Audi S5 3.0t DSG [ APR ECU/TCU | Pullies + basic bolt-on mods | 10.861@127.90mph ] Current Car: F82 M4cs | TT-RS | On Order: i4 M50 |
Appreciate
0
|
10-04-2012, 06:58 AM | #10 | |
Rainbow Racer
1008
Rep 2,539
Posts |
Quote:
__________________
-Loe P.-
Prior Car:'14 Audi S5 3.0t DSG [ APR ECU/TCU | Pullies + basic bolt-on mods | 10.861@127.90mph ] Current Car: F82 M4cs | TT-RS | On Order: i4 M50 |
|
Appreciate
0
|
10-04-2012, 07:13 AM | #11 | |
DIYER
614
Rep 5,521
Posts |
Quote:
__________________
JB4 G5, Stage 3 LPFP, Stage 2 MOTIV PI, VM 6466 ST, Custom OCC W/ SS lines, ER FMIC, ER CP W/HKS BOV, M3 control arms, M3 guide rods, M3 upper links, M3 front & rear sway-bars, HPA rear toe arms, Wavetrac LSD, HPF Gen 2, DEFIV kit, KW clubsport, Delrin solid SF bushings, stoptech rotors, Rogue Tranny Mounts, 1M bumper, M3 CF hood, M3 fenders, M3 OEM sideskirts, Mtech rear bumper, CSL trunk, MORR VS8.2 rims 245/295
|
|
Appreciate
0
|
10-04-2012, 11:15 AM | #12 | ||
Lieutenant
50
Rep 512
Posts |
Quote:
__________________
E90 335i Alpine White
E90 328i Titanium Silver |
||
Appreciate
0
|
10-04-2012, 11:26 AM | #13 | |
Joint Chiefs of Staff
4912
Rep 115,980
Posts |
The G5 includes a lot more features as has been mentioned but they are mainly intended for more heavily modified cars. For tune only type cars I think the main appeal with the G5 will be its new isolated boost control system. It features stronger and more linear throttle response and improved boost targeting. That aspect will benefit tune only and heavily modified cars alike. It's in ALPHA now but when it gets through to BETA I'll throw up a post here with more information on it. Until then here is a quote from the other forum explaining a few of the differences.
Quote:
|
|
Appreciate
0
|
10-04-2012, 09:09 PM | #14 | |
Lieutenant
50
Rep 512
Posts |
Quote:
__________________
E90 335i Alpine White
E90 328i Titanium Silver |
|
Appreciate
0
|
10-04-2012, 09:17 PM | #15 |
Colonel
112
Rep 2,856
Posts
Drives: 2011 335is E93
Join Date: Aug 2011
Location: Ontario
|
Okay so on this topic then...
From what I understand its all about production dates of the board? I got my PNP around jan/feb 2012 from a previous member who had probably purchased it mid 2011. Do I then have a G4 board or G5 board? If I have a G4 board....should I send to Terry to modify or just sell and buy a "newer" JB4. Plus, none of the current maps allow boost up to 19.5psi anyways...Map5 targets 16psi max. Does that mean I need to find a tuner to use Map 6 and target what I want? I'm currently FBO and would love to hit another 3.5psi lol |
Appreciate
0
|
10-04-2012, 09:39 PM | #16 | |
Lieutenant
50
Rep 512
Posts |
Quote:
I think this might work for you http://www.burgertuning.com/JB3_upgrades.html
__________________
E90 335i Alpine White
E90 328i Titanium Silver |
|
Appreciate
0
|
10-04-2012, 09:46 PM | #17 |
Major General
194
Rep 6,136
Posts |
Honestly I see no reason to go with the JB4 G5 unless you run meth or RB's. I actually like having a boost limit set because I (personally) feel uncomfortable going 18+ psi on stock snails.
|
Appreciate
0
|
10-04-2012, 09:52 PM | #18 | |
DIYER
614
Rep 5,521
Posts |
Quote:
__________________
JB4 G5, Stage 3 LPFP, Stage 2 MOTIV PI, VM 6466 ST, Custom OCC W/ SS lines, ER FMIC, ER CP W/HKS BOV, M3 control arms, M3 guide rods, M3 upper links, M3 front & rear sway-bars, HPA rear toe arms, Wavetrac LSD, HPF Gen 2, DEFIV kit, KW clubsport, Delrin solid SF bushings, stoptech rotors, Rogue Tranny Mounts, 1M bumper, M3 CF hood, M3 fenders, M3 OEM sideskirts, Mtech rear bumper, CSL trunk, MORR VS8.2 rims 245/295
|
|
Appreciate
0
|
10-04-2012, 09:54 PM | #19 |
DIYER
614
Rep 5,521
Posts |
I see your point, but I you have high PWM it can help also.
__________________
JB4 G5, Stage 3 LPFP, Stage 2 MOTIV PI, VM 6466 ST, Custom OCC W/ SS lines, ER FMIC, ER CP W/HKS BOV, M3 control arms, M3 guide rods, M3 upper links, M3 front & rear sway-bars, HPA rear toe arms, Wavetrac LSD, HPF Gen 2, DEFIV kit, KW clubsport, Delrin solid SF bushings, stoptech rotors, Rogue Tranny Mounts, 1M bumper, M3 CF hood, M3 fenders, M3 OEM sideskirts, Mtech rear bumper, CSL trunk, MORR VS8.2 rims 245/295
|
Appreciate
0
|
10-04-2012, 10:04 PM | #20 | |
Private First Class
8
Rep 128
Posts |
Quote:
If you do get the G5 board, be aware that you might have to do wire swapping also. It's really going to depend how old your JB4 is. Newer JB4's (1-2years old, give or take) are a direct plug and play for the basic G5 board. Below will explain how to check if you'll need to do anything. From Terry's G5 thread on his forum: "The G5 plugs in to the same JB4 harness, although those using older harnesses may need to swap around wires ............ We don't have notes on when we started orienting them in the current proper configuration but we think it was around 2010. Harnesses that don't have a white connector, or that have an old 3 port expansion connector, will definitely need to be checked with a multimeter ....." |
|
Appreciate
0
|
10-04-2012, 10:08 PM | #21 |
Colonel
112
Rep 2,856
Posts
Drives: 2011 335is E93
Join Date: Aug 2011
Location: Ontario
|
Mine is definitely from 2011 so it may actually be the G5 board.
Is it then a matter of changing Boost targets in the set fields? I've set it how it was described on the firmware updated for march 2012. |
Appreciate
0
|
10-04-2012, 10:13 PM | #22 | |
Lieutenant
42
Rep 537
Posts |
Quote:
To answer the OP's question, a G4 is fine for you if youre only gonna do DCI and Tune but I doubt thats all youre all gonna be doing lol so get the G5. I just made the switch to the G5 from a G4 and its more agressive |
|
Appreciate
0
|
Bookmarks |
|
|