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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning JB4 EWG v3.3 firmware just posted

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      05-21-2015, 07:20 AM   #23
Bee Pee
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Rickson,

You can use JB4 and latest FW without FF and EWG cables. No more problem however, you will get more gains with EWG cable fitted, as it allows JB4 to control turbo wastegate for better control of boost.

If you fit EWG, you must install FF cable. If not, you run the risk of your car running too lean [more boost from EWG but AFR's go out of limits as JB4 is not connected to fuel rail] and either JB4 defaults to bypass mode [map 4] and or your car's ECU going into limp mode.

BP
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      05-27-2015, 11:02 AM   #24
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I started with map 1 on V3.3 with 91 octane, and just began running map 2 with 94 octane and the car (otherwise stock) feels great!!!

I know it's not a very quantitative evaluation, but with the possibility of going from map 0 (OEM) to map 1, 2 etc. (on the steering wheel) it's very easy to do a before/after dyno, which I shall be doing as soon as I get a chance.
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      05-28-2015, 12:41 AM   #25
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I'm running V3.3 with PID 12, the car pushes like a monster but at 6k torque drops. I'll try PID 10
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      05-28-2015, 01:01 AM   #26
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I have a core JB4 with 3.1 or 3.2. I did the core exchange with BMS to get the EWG built in board, but forgot to send it back within the time period lol.. So if anyone needs it, lmk I'll sell it for $150
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      05-28-2015, 01:39 AM   #27
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PID setting won't effect how maps 1 and 2 perform. Only maps 3+

Nick

Last edited by e46m3to335i; 05-28-2015 at 03:22 AM..
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      05-28-2015, 09:09 AM   #28
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Quote:
Originally Posted by e46m3to335i
PID setting won't effect how maps 1 and 2 perform. Only maps 3+

Nick
What's PID?

Is the "lag" fixed with 3.3. I still feel same lag in 3.2 map1.
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      05-28-2015, 09:37 AM   #29
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Quote:
Originally Posted by Bee Pee View Post
Rickson,

You can use JB4 and latest FW without FF and EWG cables. No more problem however, you will get more gains with EWG cable fitted, as it allows JB4 to control turbo wastegate for better control of boost.

If you fit EWG, you must install FF cable. If not, you run the risk of your car running too lean [more boost from EWG but AFR's go out of limits as JB4 is not connected to fuel rail] and either JB4 defaults to bypass mode [map 4] and or your car's ECU going into limp mode.

BP
Is this really the case? I have a EWG board jb4 and plan on installing the EWG wires, however I don't have the FF cable yet. Do I need the FF wires to use the EWG wires? Even if I don't run an ethanol mix?
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      05-28-2015, 09:49 AM   #30
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ocN55

Yes - see attached from N54 Tech, BMS's own forum site.

http://www.n54tech.com/forums/showthread.php?t=23709

Under random thoughts item #6 "6) To use the EWG add on harness the FF add on harness is also required."

Ultimately, its your car, your risk and so your choice.

BP
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      05-28-2015, 10:29 AM   #31
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Quote:
Originally Posted by Bee Pee View Post
ocN55

Yes - see attached from N54 Tech, BMS's own forum site.

http://www.n54tech.com/forums/showthread.php?t=23709

Under random thoughts item #6 "6) To use the EWG add on harness the FF add on harness is also required."

Ultimately, its your car, your risk and so your choice.

BP
I read that before but interpreted differently for whatever reason, in retrospect I don't know why lol

But thank you for your input. Are the terms cables, wires, and harnesses all synonymous? In other words, does the EWG harness=cable=wire?
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      05-28-2015, 11:02 AM   #32
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In for updates what PID does
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      05-28-2015, 11:04 AM   #33
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Quote:
Originally Posted by ocN55 View Post
Are the terms cables, wires, and harnesses all synonymous? In other words, does the EWG harness=cable=wire?
Yes, correct
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      05-28-2015, 11:21 AM   #34
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Quote:
Originally Posted by JibHonk
In for updates what PID does
Huh?
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      05-31-2015, 12:00 AM   #35
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Updated to 3.3 this weekend and map2 delivery was smoother and stronger than 3.2.
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      06-01-2015, 04:17 PM   #36
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updating now, Version 3.3.1 apparently though. Guess it fixes a CANFLAP error from 3.3. Also I was just asking what PID actually controls. I have mine set at 10.
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      06-05-2015, 06:42 AM   #37
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Quote:
Originally Posted by JibHonk View Post
updating now, Version 3.3.1 apparently though. Guess it fixes a CANFLAP error from 3.3. Also I was just asking what PID actually controls. I have mine set at 10.
should we use 3.3.1 even if we don't use the CANflap wires?
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      06-05-2015, 06:59 AM   #38
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Quote:
Originally Posted by ocN55
Quote:
Originally Posted by JibHonk View Post
updating now, Version 3.3.1 apparently though. Guess it fixes a CANFLAP error from 3.3. Also I was just asking what PID actually controls. I have mine set at 10.
should we use 3.3.1 even if we don't use the CANflap wires?
The CANflap function is now built into the JB4 or you can get it as a standalone if you don't have jb4.

I have no issues with the CANflap on 3.3.

3.31 is supposed to be the fix for the CANflap but I had issues with it so I'm using 3.3 now.

Hope this helps
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      06-06-2015, 09:29 AM   #39
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I've been running 3.3 for a while now and I found exactly what I found with 3.2 in map 1 here ok map 2, which makes sense as they are the same. It pulls hard down low but the top end pull feel reduced. After running map 2 for weeks I recently switched to map 5 and it just feels like it is pulling way harder up top.
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      06-06-2015, 09:52 AM   #40
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Quote:
Originally Posted by abirmaher
I've been running 3.3 for a while now and I found exactly what I found with 3.2 in map 1 here ok map 2, which makes sense as they are the same. It pulls hard down low but the top end pull feel reduced. After running map 2 for weeks I recently switched to map 5 and it just feels like it is pulling way harder up top.
I'll try map 5 today. You do three consecutive pulls in 3rd gear to get it adapted?

Also, have you logged psi with map 5 on 3.3?
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      06-06-2015, 05:16 PM   #41
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Just got it installed!

Dinan
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      06-06-2015, 05:30 PM   #42
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Quote:
Originally Posted by Guyhim1
Dinan
Wrong thread...
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