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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > BT scan of E90 335 with JB+ (code thrown)



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      03-24-2009, 04:25 PM   #1
Fone Phreak
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BT scan of E90 335 with JB+ (code thrown)

My vehicle is stock save for JB+ set at default setting.

code 2D25: Manipulation Cover, maximum air mass.
BT say MSD80 and had dealer upgrade to 32.1

safe to say these tunes aren't invisible. that being said... clearing code and turning up the boost.
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      03-24-2009, 04:48 PM   #2
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I think there was another thread exactly like this one. Not good to know JB+ is throwing codes. According to Terry, JB+ should be "invisible" at default setting, only at higher boost is where it may throw codes.
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      03-24-2009, 04:49 PM   #3
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this mod isnt doing too well invisibility wise. I had one at max boost but im pre 29.2. Its a fun Mod.
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      03-24-2009, 05:31 PM   #4
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uh oh
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      03-24-2009, 05:38 PM   #5
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spaghetti-o

good to know. good thing you have BT
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      03-24-2009, 05:39 PM   #6
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Quote:
Originally Posted by Fone Phreak View Post
My vehicle is stock save for JB+ set at default setting.

code 2D25: Manipulation Cover, maximum air mass.
BT say MSD80 and had dealer upgrade to 32.1

safe to say these tunes aren't invisible. that being said... clearing code and turning up the boost.
I will have bms contact you to do some tests. May have to change default boost to +2psi. Adjustability is nice.

Mike
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      03-24-2009, 05:40 PM   #7
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Quote:
Originally Posted by fotios335i View Post
this mod isnt doing too well invisibility wise. I had one at max boost but im pre 29.2. Its a fun Mod.
How do you find out if your pre-29.2....build date on my car is July 2006 but the dealer might have updated it since then.
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      03-24-2009, 05:43 PM   #8
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Quote:
Originally Posted by TiAg335i View Post
How do you find out if your pre-29.2....build date on my car is July 2006 but the dealer might have updated it since then.
not sure...You would have noticed I think if they updated it. Otherwise that build date should be pre 29.2. mines a 12/06 build.
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      03-24-2009, 06:04 PM   #9
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This is not good to know as jb+ owner....

gotta order bt scan tool then...damn!
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      03-24-2009, 07:00 PM   #10
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safe to say.. if i didn't have the BT scan tool i would be super F'ed right now! That being said.. i just cleared the faults and turned up to the 2 o'clock position!!! WOW definitely fun to drive. I guess the JB+ should come bundled with the BT scan tool... JBBT+
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      03-24-2009, 07:55 PM   #11
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I bought the BT (enthusiast) version as soon as I heard about it and did a little research. I did not have a tuner code since I am pre 29.2, but it gives great piece of mind having the tool.

I think everyone with a tune should consider some kind of tool to clear codes before going to see the dealer. Likely the dealerships will be calling a BMWNA tech over to examine cars with the tuner code and discuss warranty status.

OP = Good thread, the more info out there the better.
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      03-24-2009, 08:01 PM   #12
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all the sstt for sale may appreciate in value now. They were tanking pretty badly
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      03-24-2009, 08:27 PM   #13
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Quote:
Originally Posted by TiAg335i View Post
How do you find out if your pre-29.2....build date on my car is July 2006 but the dealer might have updated it since then.

I found this the other day.

http://www.bimmerfest.com/forums/sho...32&postcount=7

I think the BT scan produces the E89x-... number and that table converts it.
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      03-24-2009, 08:33 PM   #14
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Quote:
Originally Posted by bimdaddy View Post
all the sstt for sale may appreciate in value now. They were tanking pretty badly
Doesn't it run more boost than JB+ on default setting? Can you lower the boost levels with the JB+ below default?
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      03-24-2009, 08:46 PM   #15
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Quote:
Originally Posted by bimdaddy View Post
all the sstt for sale may appreciate in value now. They were tanking pretty badly
LOL if the JB+ @ 2.75psi default throws the code you can bet the SSTT @ 3.5psi does. At least with the JB+ you can adjust the boost level up or down as needed.

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      03-24-2009, 08:49 PM   #16
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
LOL if the JB+ @ 2.75psi default throws the code you can bet the SSTT @ 3.5psi does. At lease with the JB+ you can adjust the boost level up or down as needed.

Mike
It doesn't work that way Mike. If the JB+ alters IAT (unlike the SSTT) it can have have secondary influence on diagnostic invisibility. In other words, it's not just about boost as Terry once suggested. Which people are figuring out now with these new fancy diagnostic tools.

Shiv
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      03-24-2009, 08:54 PM   #17
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Quote:
Originally Posted by shiv@vishnu View Post
It doesn't work that way Mike. If the JB+ alters IAT (unlike the SSTT) it can have have secondary influence on diagnostic invisibility. In other words, it's not just about boost as Terry once suggested. Which people are figuring out now with these new fancy diagnostic tools.

Shiv
The JB+ does not alter IAT. But any change that effects the air density calculation will push you closer to detection. Be it IAT manipulation, TMAP attenuation, or otherwise.

Mike
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      03-24-2009, 08:56 PM   #18
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
LOL if the JB+ @ 2.75psi default throws the code you can bet the SSTT @ 3.5psi does. At least with the JB+ you can adjust the boost level up or down as needed.

Mike
So what would be the suggested setting to avoid this code given this new information?
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      03-24-2009, 08:57 PM   #19
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
The JB+ does not alter IAT. But any change that effects the air density calculation will push you closer to detection. Be it IAT manipulation, TMAP attenuation, or otherwise.

Mike
It doesn't? Are you sure?

shiv
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      03-24-2009, 08:59 PM   #20
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Quote:
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So what would be the suggested setting to avoid this code given this new information?
Obviously default but apparently even that setting is throwing codes, that is the lowest boost setting on the JB+
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      03-24-2009, 09:01 PM   #21
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Quote:
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Obviously default but apparently even that setting is throwing codes, that is the lowest boost setting on the JB+
The JB+ is adjustable from ~1.75psi over stock, to ~4.75psi over stock, using the blue adjustment dial.

Default is 2.75-3psi, so there is plenty of room to go down as needed. We may change the default suggestion to +2psi.

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      03-24-2009, 09:03 PM   #22
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uh oh

i have jb3 V1.22 umm.. if I remove this will the dealer know i've had it on the car?
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