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-   C450/C43 AMG (https://mbworld.org/forums/c450-c43-amg-216/)
-   -   Jb1 vrs jb4 (https://mbworld.org/forums/c450-c43-amg/711256-jb1-vrs-jb4.html)

J**2 06-18-2018 09:55 PM
Jb1 vrs jb4
 
So what’s the difference between a jb1 and a jb4 besides three jbs?? Different mapping more custom settings etc. is a jb4 really worth it ? Why ?

Gungaslow 06-18-2018 09:57 PM
Well I heard a Jb4 gives you 4bj’s.. and bj’s are very nice!!

J**2 06-18-2018 10:49 PM
Enough
 
Originally Posted by Gungaslow (Post 7482357)
Well I heard a Jb4 gives you 4bj’s.. and bj’s are very nice!!
funny I can’t get a straight answer from anyone about the difference. I wrote twice on the “jb4 is out” thread asking what’s the diff ..... no answer.

So I ask again what the h$ll difference is there ?
why would anyone buy a jb4 instead of a jb1 ?

ItalianJoe1 06-18-2018 11:30 PM
http://www.burgertuning.com/mercedes...00_Stage1.html

They have an upgrade option for people with a JB1. It shows what it adds.

munis 06-19-2018 10:24 AM
Its literally mentioned on the first home page of burgertuning.com.

So far it is kicking ass. Car pulls like an absolute mofo.

HTXgearhead 06-19-2018 11:27 AM
Originally Posted by J**2 (Post 7482356)
So what’s the difference between a jb1 and a jb4 besides three jbs?? Different mapping more custom settings etc. is a jb4 really worth it ? Why ?
You aren't getting an answer because there are several threads that have already answered that question and it's on their website's homepage.

J**2 06-19-2018 12:35 PM
Webpage
 
Looked at webpage. Thanks to member that posted the url

J**2 06-19-2018 03:08 PM
Chart
 
https://cimg2.ibsrv.net/gimg/www.mbw...9d90e16c0.jpeg
This may help those asking wuestions

iggs 06-19-2018 04:15 PM
Originally Posted by munis (Post 7482637)
Its literally mentioned on the first home page of burgertuning.com.

So far it is kicking ass. Car pulls like an absolute mofo.
did ya scoop a JB4?

munis 06-19-2018 04:17 PM
Yeah, just arrived today. But extremely busy in the next couple of days. Don't think I will be able to install it before next week.

munis 06-19-2018 04:22 PM
Originally Posted by iggs (Post 7482974)
did ya scoop a JB4?
Oh I see what you are asking. No I did not drive the car with JB4 yet. This is coming from agchenry, he installed it yesterday and was screaming like a 5year old on the phone out of excitement when I called him.

iggs 06-19-2018 04:26 PM
Originally Posted by munis (Post 7482977)
Yeah, just arrived today. But extremely busy in the next couple of days. Don't think I will be able to install it before next week.
Oh damn, keep us posted.. I just scooped the JB1 and am extremely impressed but am also thinkin bout grabbin the JB4 given that the price to update is not very high.

SirJmon 06-19-2018 06:51 PM
Was just at the shop today getting my AWE touring exhaust installed. While there I asked them about the JB1 and 4. They told me they won't go near them because they have seen too many bricked ECUs from the use of them. They also told me that Mercedes will definitely know that the car was tuned at anytime. No way to hide it. They told me this even though they do tune ECUs.

Not gonna lie, all that information does scare me a bit.

SirJmon 06-19-2018 07:54 PM
I'm new here so I don't understand the inside jokes.

SirJmon 06-19-2018 08:33 PM
Originally Posted by CFG (Post 7483197)
Sven and da boys welcome you.

Great car, isn’t it!
Indeed. Loving it so far.

threefirs 06-19-2018 10:37 PM
Originally Posted by SirJmon (Post 7483191)
I'm new here so I don't understand the inside jokes.
Nobody understands him.

HTXgearhead 06-19-2018 11:10 PM
Originally Posted by threefirs (Post 7483303)


Nobody understands him.
Ha! If you click on his name, you can go through his old posts. He doesn't contribute anything useful to the threads, but entertaining nonetheless.

Cartman417 06-20-2018 01:01 AM
Your shop must want your money. I’ve never heard of JB piggybacks bricking ECUs.
If they have happened. It’s few and far between



Originally Posted by SirJmon (Post 7483213)
Indeed. Loving it so far.

JGreen76 06-20-2018 09:54 AM
Originally Posted by SirJmon (Post 7483133)
Was just at the shop today getting my AWE touring exhaust installed. While there I asked them about the JB1 and 4. They told me they won't go near them because they have seen too many bricked ECUs from the use of them. They also told me that Mercedes will definitely know that the car was tuned at anytime. No way to hide it. They told me this even though they do tune ECUs.

Not gonna lie, all that information does scare me a bit.
So are you suggesting that they only recommend the tune that they sell, but not the JB that they don't sell?

SirJmon 06-20-2018 10:31 AM
Originally Posted by JGreen76 (Post 7483535)
So are you suggesting that they only recommend the tune that they sell, but not the JB that they don't sell?
No, not at all, but I first thought that as well. I started researching bricked ECUs and found plenty out there. It has given me second thoughts on messing with my ECU at all.

threefirs 06-20-2018 11:10 AM
Until there's more development on the JB4, it's a glorified JB1 with more monitoring. AFR needs to get figured out and stage2-3 management. I know it'll happen, but it's not there yet.

Disclosure: I've ordered a JB4 to check it out.

JGreen76 06-20-2018 11:46 AM
Originally Posted by SirJmon (Post 7483570)
No, not at all, but I first thought that as well. I started researching bricked ECUs and found plenty out there. It has given me second thoughts on messing with my ECU at all.
Good point.

J**2 06-20-2018 12:48 PM
Please elaborate
 
Originally Posted by SirJmon (Post 7483570)
No, not at all, but I first thought that as well. I started researching bricked ECUs and found plenty out there. It has given me second thoughts on messing with my ECU at all.
can you you tell us more about bricked ECUs and what you found out ??

threefirs 06-20-2018 01:58 PM
Originally Posted by J**2 (Post 7483691)


can you you tell us more about bricked ECUs and what you found out ??
Information like this you have to take with a grain of salt. There is A LOT of room for user error with a piggy back, especially JB. You install it yourself and you can tune yourself (at your own risk).

DVision44 06-20-2018 03:13 PM
Originally Posted by SirJmon (Post 7483570)
No, not at all, but I first thought that as well. I started researching bricked ECUs and found plenty out there. It has given me second thoughts on messing with my ECU at all.
Can you share where you were researching? I have read nothing about bricked ECU's involving BMS and Mercedes. I've read some issues on BMW forums but even the majority of those were due to user error.


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