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OMG!!! BMS JB4 in the works!

Old 05-16-2018, 12:24 PM
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OMG!!! BMS JB4 in the works!

Guys we did it! From the PM's to, nagging Terry/BMS on the N54 forums, they have finally started working on the JB4. They have a c63s currently at their facility that they are working on and next will be us 43 guys. They also stated they will be looking for Beta testers in the coming weeks. I am so excited that I am about to **** my pants. Good job guys!

http://www.n54tech.com/forums/showth...=28003&page=13

Let the tuning wars begin!
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Old 05-16-2018, 01:06 PM
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What should we expect from the JB4? I have the JB1 currently, and I'm really happy with it.
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Old 05-16-2018, 02:09 PM
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Bazinga!
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Old 05-16-2018, 03:08 PM
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Originally Posted by SoCalC43 View Post
What should we expect from the JB4? I have the JB1 currently, and I'm really happy with it.
imagine fuel trim control and boost per gear. That alone will be a big plus for our platform
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Old 05-16-2018, 04:44 PM
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I'm more curious about how this is going to shake out for people who just purchased a JB1...
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Old 05-16-2018, 04:58 PM
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Originally Posted by RichardCranium3 View Post
I'm more curious about how this is going to shake out for people who just purchased a JB1...
I'm currently considering purchasing a JB1 ... wonder what the timeline is like for this to actually hit the market and if I should bite the bullet and get a JB1 for this season now and then chop it when the JB4 comes out... if that'll even be possible at the time!
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Old 05-16-2018, 06:13 PM
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Well if someone from BMS is reading this, ill happily be a tester for the JB4
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Old 05-16-2018, 09:04 PM
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I will be happy to watch someone potentially trash their car as a beta tester to each his own, but did I buy a luxury sports car to be a beta tester over a couple hundred bucks? Nahhhh thatís silly.
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Old 05-16-2018, 09:27 PM
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Originally Posted by FirstMBAMG View Post
I will be happy to watch someone potentially trash their car as a beta tester to each his own, but did I buy a luxury sports car to be a beta tester over a couple hundred bucks? Nahhhh thatís silly.
Ehh, If its leased, who cares
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Old 05-16-2018, 09:29 PM
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You will. I suggest reading the lease for content.
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Old 05-16-2018, 09:48 PM
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Originally Posted by CFG View Post
You will. I suggest reading the lease for content.
Have plenty of friends with very modified leases, no problems at all even when problems occur
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Old 05-16-2018, 09:50 PM
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Sure, abuse or misuse it all you want.
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Old 05-16-2018, 10:00 PM
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Originally Posted by C43Ayemgee View Post
Ehh, If its leased, who cares
haha yeah, unfortunately/fortunately I own mine so I am a bit more cautious. But certainly glad some folks are willing to give it a shot.
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Old 05-17-2018, 07:37 AM
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Originally Posted by FirstMBAMG View Post
I will be happy to watch someone potentially trash their car as a beta tester to each his own, but did I buy a luxury sports car to be a beta tester over a couple hundred bucks? Nahhhh thatís silly.
yup, to each his own, but being happy to see someone trash their car is kind of heartless. Why would someoneís misfortune make anyone happy? Even if the misfortune was self inflicted. Like being happy someone crashed because they were speeding. Everyone speeds at one point or another. Iíd say JB4 could potentially be safer than JB1 or Racechips for that matter if it monitors AFR and keeps those values in check. Not saying Iím sure JB4 would monitor AFR in our cars but it does have that capability in other cars.
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Old 05-17-2018, 07:42 AM
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What are the hp differences like between the JB1 and JB4 on the bmws?

should we expect similar differences with our cars?
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Old 05-17-2018, 08:05 AM
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Only Terry can answer that question since the product isn’t out yet
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Old 05-17-2018, 09:39 AM
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I had a JB4 on my e92 (among several other tunes... Dinan, Cobb, Procede, etc). Nobody would even bother with a JB1 in the bimmer world haha... Didn't even know it was a thing...
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Old 05-17-2018, 12:48 PM
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Originally Posted by iggs View Post
What are the hp differences like between the JB1 and JB4 on the bmws?

should we expect similar differences with our cars?
Not sure but if JB1 is only tapping into Boost and 18bora is making over 60+hp and 80+tq then I can only imagine what a JB4 can do with measuring A/F, timing, boost and other stuff. Plus like the BMW guys, you can use JB4 to cancel the CEL for downpipes and you can also adjust parameters to get max gains out of them. I been holding off on installing my downpipes because I was going to get an ECU tune but now I can just use the JB4 if BMS sets it up like how the 335i/340 guys use it.
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Old 05-17-2018, 01:18 PM
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Will the jb4 work with nitrous?
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Old 05-17-2018, 07:46 PM
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Originally Posted by DameMD View Post
Guys we did it! From the PM's to, nagging Terry/BMS on the N54 forums, they have finally started working on the JB4. They have a c63s currently at their facility that they are working on and next will be us 43 guys. They also stated they will be looking for Beta testers in the coming weeks. I am so excited that I am about to **** my pants. Good job guys!

http://www.n54tech.com/forums/showth...=28003&page=13

Let the tuning wars begin!
Interesting. I've been looking at tunes and trying to decide if I want to go that route or just leave my "baby" stock. The 43 certainly has enough power for everyday driving and I probably will never drag/track it, but it's always nice to kick it up a notch. I never tuned my Bimmer, but always saw/read good things about BMS/Terry on those forums. Guess I'll hold off on the Renntech and see what this brings...perhaps get comparable performance and have some $$$ left over for an exhaust or dp.
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Old 05-17-2018, 09:05 PM
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Subscribing, and selling some car parts to fund this purchase in the meantime!
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Old 05-18-2018, 01:11 AM
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Originally Posted by agchenry View Post
yup, to each his own, but being happy to see someone trash their car is kind of heartless. Why would someoneís misfortune make anyone happy? Even if the misfortune was self inflicted. Like being happy someone crashed because they were speeding. Everyone speeds at one point or another. Iíd say JB4 could potentially be safer than JB1 or Racechips for that matter if it monitors AFR and keeps those values in check. Not saying Iím sure JB4 would monitor AFR in our cars but it does have that capability in other cars.
sarcasm is often misinterpreted.
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Old 05-18-2018, 01:34 PM
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anyone know if jb4 will be able to remove the speed limiter? I was able to remove the limiter on my charger with a handheld piggyback, wondering if its possible for to do the same without a ECU flash

Last edited by C43Ayemgee; 05-18-2018 at 01:38 PM.
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Old 05-18-2018, 02:06 PM
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Originally Posted by FirstMBAMG View Post
I will be happy to watch someone potentially trash their car as a beta tester to each his own, but did I buy a luxury sports car to be a beta tester over a couple hundred bucks? Nahhhh thatís silly.


Originally Posted by C43Ayemgee View Post
Ehh, If its leased, who cares
FYI -> Just like BMW, MB has trap doors that datalog boost along with other parameters which is stored in the ECU memory. They will see that the boost going into the engine did not match what the ECU was seeing. Reflash / Programming the ECU direct is the only way to avoid this as you can insert all of the data parameters back to when the vehicle was not touched. When you lease a vehicle, you do not own it. So the "who cares" attitude will not work. MB will care.


Originally Posted by CFG View Post
You will. I suggest reading the lease for content.
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Old 05-18-2018, 05:03 PM
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Originally Posted by C43Ayemgee View Post
anyone know if jb4 will be able to remove the speed limiter? I was able to remove the limiter on my charger with a handheld piggyback, wondering if its possible for to do the same without a ECU flash
I don't think piggybacks can remove speed limiters. You'd need an ECU flash to do that. But I've also never seen a handheld piggyback... you probably had a handheld ECU flashing device...
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