mike-y
Go Kart Newbie
- Location
- Los Angeles
- Car(s)
- 2017 GTI / 2016 R
yeah, I think I'll do that before I put it in the R. Thanks for confirming!
7
BMS VW GTI JB4 info thread
- Thread starter George Smooth
- Start date
Map switching/logging/monitoring from your phone is what makes the JB4 setup special. Make sure you update any used JB4 to the latest firmware right after install.
ZoomnRx
'99 VR6
- Location
- Hampton Roads, VA
- Car(s)
- 2019 GTI SE
Tried searching before asking but couldn’t find this specifically…on 7.5 GTI’s with the 7 speed, can we run map 4 safely? Looks like it peaks higher but tapers off more than map 3. Anyone tried this?
George Smooth
Drag Race Newbie
- Location
- South Africa
Yes, it is fine to run. The taper is not needed on the GTI but some guys like the power delivery and use it.
ZoomnRx
'99 VR6
- Location
- Hampton Roads, VA
- Car(s)
- 2019 GTI SE
Thanks George!
robertinohio
Passed Driver's Ed
- Location
- Cleveland/Akron
Not sure if I should post this here... I have a MK7 GTI with JB4 w/bluetooth. Its been working fine for several years. I connected to it a few weeks ago but today when I tried it says "no device detected" I've tried all the basics - toggling bluetooth on my iphone, uninstalled/reinstalled app etc. Any other troubleshooting steps I should take?
Hey I'm getting "fuel rail pressure too low, reduce FOL" in map 2 and 3. I bought the jb4 used and took a log if any one would like to advise me.
https://datazap.me/u/shadowtuy/3rd-gear-25k-6k-100-throttle?log=0&data=1-4
https://datazap.me/u/shadowtuy/3rd-gear-25k-6k-100-throttle?log=0&data=1-4
SaucyMuffin
Go Kart Newbie
- Location
- Massachusetts North
Wanted to bounce this off you guys but I’ve been looking at getting a JB4 to tinker with on top of Unitronic OTS stage 2 software. I’m stuck with them and don’t want to trash it so I was wondering theoretically if I could get anything on top of it safely? Have all supporting modifications, fresh plugs, oil, superb maintenance record. I know I’d have to log first and get a baseline but would anyone have some objective opinions as to whether I could get a little more? Not looking to blow the thing up or push it to the max as I’m close to 70,000 miles of ownership now and seek to maintain the good track record. Thank you and take care.
TheMechanicDude
Drag Racing Champion
- Location
- Fl
- Car(s)
- 17 GTI Sport
Why are you running map 3? Did you read map notes? Are you running 93? Any E in tank? You log sorta stinks too. Only want to show 3rd WOT rolling into it.
TheMechanicDude
Drag Racing Champion
- Location
- Fl
- Car(s)
- 17 GTI Sport
Minor. Not worth it. Maybe a bit down low but the IS20 is pretty maxed out at S2
Yes I'm on 93 and no there isn't any additional E just what comes from the pump normally.
Thanks for the tip.
Shuk'n'Jive
New member
- Location
- Central FL
- Car(s)
- Mk7.5 GTI SE DIB
Anyone know how to confirm if O2 wire tap is connected properly? I have 2019 GTI and tapped the white wire as per instructions for 7.5 facelift. I read somewhere that when connected, AFR values should be 12-13ish, but I can't seem to find that post again. My AFRs values generally stay in the high 14s on Maps 1, 2 & 4, and sometimes jumps around from 3-22. Is this an indication that my blue O2 sensor wire isn't making a good connection? Should this value be staying pretty consistent? I only run 93 and car is bone stock except for Jb4.
shortyb
Autocross Newbie
- Location
- Upstate SC
- Car(s)
- Felon Taxi,Dad Wagon
I think 19s+ had a change to the ECM fueling tables and run a bit lean AFR-wise now. Check with George or contact Burger directly, but I don't believe it has anything to do with your JB4 or the AFR tap.