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      02-18-2011, 12:15 AM   #23
drew2k2
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hey all, so i am a new member to the e90 family, and have been reading like crazy about how great the jb4 is, but just had 1 question. i noticed on the website is says it is the JB4 'beta'.. so is a newer, more stable version of the JB4 coming out in the near future? Is this still a trial run of the JB4? thanks
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      02-18-2011, 12:49 AM   #24
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Originally Posted by hack View Post
hey all, so i am a new member to the e90 family, and have been reading like crazy about how great the jb4 is, but just had 1 question. i noticed on the website is says it is the JB4 'beta'.. so is a newer, more stable version of the JB4 coming out in the near future? Is this still a trial run of the JB4? thanks
Yes they've actually have had 2 updates since its intial release. I'm still running the orginal that I got with the jb4. Map 2 is good enough for me untill they get the offical "autotune" out
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      02-18-2011, 12:57 AM   #25
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Also, I got my JB4 dyno'd. The person who dyno'd it said I was getting better air/fuel ratio / power off map 2 and all I have is afe dci. I find that odd but whatever. It shoots me from 30 to 80 in 2 seconds or so. But I suggest everyone with a JB4 to dyno. I found out my HP is only 330 with it but with 370 torque. So I'm buying downpipes and a FMIC as soon as possible to get my HP up. Fuck the laws in VA I need my car faster.
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      02-18-2011, 02:27 AM   #26
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Quote:
Originally Posted by HurtsMyWorld View Post
Also, I got my JB4 dyno'd. The person who dyno'd it said I was getting better air/fuel ratio / power off map 2 and all I have is afe dci. I find that odd but whatever. It shoots me from 30 to 80 in 2 seconds or so. But I suggest everyone with a JB4 to dyno. I found out my HP is only 330 with it but with 370 torque. So I'm buying downpipes and a FMIC as soon as possible to get my HP up. Fuck the laws in VA I need my car faster.
thats some nice numbers on map 2. i'm running map 1 and dyno'd 326whp at 352lbs of torque.
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      02-18-2011, 02:35 AM   #27
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so what are the parameter differences between maps 1 and 2...btw, either of those results seem like the biggest bang for the buck!
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      02-18-2011, 10:54 AM   #28
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I'm going to get my dyno charts today and upload them. They say you should not run map 2 at all unless you have a bolt on. DCI and FMIC or DCI and DP, I also saw somewhere that a DCI is the BARE minimum you should run on map 2. But my map 2 was getting better fuel/air ratio than map one, and the torque increase by 10 from map 1. I need to get these charts up
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      02-18-2011, 12:25 PM   #29
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this was on the n54tuning site, somewhat answered my question

Map List
Map 0: Stock bypass. This is the only map you may use a BT cable with.
Map 1: 13psi (suggested for most stock applications).
Map 2: 14.5psi (suggested for bolt on mods with 93 octane, close to JB3 map 7).
Map 3: Progressive meth (see guide to enable).
Map 4: Stock map w/ CAN active. Soon to be our economy map.
Map 6: Custom map. Active but be careful with it.
Map 7: 16.5psi. A light weight race map.
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      02-18-2011, 09:26 PM   #30
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Map 2 you should have bolt on mods. Downpipes and FMIC. It'll run better
Map 1 is just basicaly making your stock car faster.
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      02-18-2011, 09:51 PM   #31
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so is the 93 octane the built in default the car is expecting when running map 2, or can map 2 be run with 91 if you wanted?
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      02-18-2011, 09:54 PM   #32
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I'm not sure on that since all I've ran is 93 in my car.
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      02-18-2011, 11:51 PM   #33
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i have always run 93 octane also. I ran 103 today and the car felt great on map 2. I have a bms single cone and thats it.
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      02-20-2011, 02:38 AM   #34
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im in salt lake city, ~5000ft elevation, an 93 octane is pretty scarce.. iv read that at higher altitude lower octanes are ok
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      04-25-2011, 05:49 PM   #35
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Quote:
Originally Posted by bigdog34uz View Post
So I installed the JB4 on Saturday Afternoon. It took about 2 1/2 hours to install. The install was pretty easy. It should not have taken that long but I just wanted to make sure everything was done correctly and putting the cover back on the Ecu was a Pain. Once we got the cover back on it was easy after that.

Guage Hijacking-
Awesome Feature- It looks cool and makes it easy to see what you are doing. Once you learn the commands "On the Fly" Map switching is easy.

Stealth Guages-
Another great feature that gets a thumbs up from me. The guages activate only when you have the pedal down to 80%.

Code Reading-
This Feature is good but when I read the codes i have know idea what i am looking at when the hazards flash and everything on my dash jumps around. If anyone can help me out with this that would be greatly appreciated.

On to the good part-
Previous Tunes: Oetune and JB+

Oetune- Great Tune but there really is not much Flexibility to do anything with this tune.

JB+- Good and easy tune but gets boring after awhile. You don't feel the kick anymore.

Same day after the install took the car out on the Parkway and half throttle the car and it felt good.

Sunday I took my friend to Pentagon City mall because he was meeting someone to sell his iphone4. When we got on highway I went 1/2 throttle first and I can feel the car stronger than the night before. So I tried WOT Man it was so smooth it did not realise that I was at 120 already in such a short time and distance. I know there is an adaptive period, but I can't wait.

I did notice that Map 1 pulled harder than map 2. Map 1 seemed to give me more torque in the lower rpm range and Map 2 in the higher range. Can anyone chime in on this one?

My baseline for my car was 262whp at 278lbs of torque.
JB+ - 303whp and 275lbs (kick down activated) during dyno run so it may not be that accurate.
JB4 - Dyno sheets coming soon Hopefully good numbers!

More Coming Soon Meth might be next!
hello, i am new here. here are my cars.
http://www.m3post.com/forums/showthread.php?t=517645

i have just installed jb4 on a friends 335 convertible. and all i can say is wow. the car really pushes you hard in the seat. so far the car has only seen map1. it also has the afe dual cone intake with scoops. those are a must. i also have the afe dual cone with scoops on my alpina b3 biturbo,which also has the active autowerke catless downpipes. i will try map 2 and see what happens when i race the alpina
the steering control is great. the valet mode is pretty rough though, i tried slamming the peddle and the gear snaps hard as it cuts off on 4500 rpm. either way, great upgrade for every 335 out there.
soon to come for 335: active autowerke catless downpipes, active autowerke blow off valve. bms intercooler or active autowerke intercooler.


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