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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 > JB3 map switch info...



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      09-04-2008, 04:37 PM   #45
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Looks like you have to pop the hood to switch maps, or am I looking at it wrong?
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      09-04-2008, 04:50 PM   #46
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Quote:
Originally Posted by lawdude View Post
Looks like you have to pop the hood to switch maps, or am I looking at it wrong?
for now, other options (wireless, in cabin, etc.) are in development.

-Rick
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      09-04-2008, 05:33 PM   #47
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Quote:
Originally Posted by lawdude View Post
Looks like you have to pop the hood to switch maps, or am I looking at it wrong?
I am gonna put mine in my glovebox....you know this....
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      09-04-2008, 05:43 PM   #48
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Can we get a race map and a button on the switch that says "Can of Whoop Ass" ?
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      09-04-2008, 06:32 PM   #49
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yeah i either need a wireless one or one that can go into my cabin becaue ill be wanting to roll around in valet mode to save gas and not get a speeding ticket but when i see a fast car or i just wanna have fun, ima switch on to stage 3 high boost
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      09-04-2008, 10:22 PM   #50
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+1 on the in cabin/wireless set up. i be all over it..
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      09-05-2008, 08:45 AM   #51
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Rick,

Two questions re: the switch...

1) How do we know what map is what, on the three position toggle? (Other than having a boost guage and flooring it to figure it out that way, by peak boost).

2) Seeing as how the car takes a solid few days and a few gallons of gas to adapt to a JB3, what happens when the switch is flipped from, say, the normal high boost to valet (stock)? Is the change smooth and immediate, or does the car then require re-learning, i.e. the same as if you were to uninstall the JB3 alltogether? Same question applies for flipping it from valet/low boost to normal high boost.

Thanks!

I'm guessing this under-hood switch will work just fine to meet the needs of my brother's car with the JB3. The fuel economy while in high boost mode is good enough that I can't see flipping it off for day to day driving. I really only foresee needing the switch on snowy days. No need for more power then, and most of the time you have the time to either see it snowing before you start driving, or know it's going to be snowing later, and take the time to pop the hood and hit the switch before you go.
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      09-05-2008, 09:21 AM   #52
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can't u guys just cut the wire and add some length to it till it reaches the glove compartment and re-wire the part it is cut from?? The wires looks pretty simple/
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      09-05-2008, 09:46 AM   #53
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Quote:
Originally Posted by ezatnova View Post
Rick,

Two questions re: the switch...

1) How do we know what map is what, on the three position toggle? (Other than having a boost guage and flooring it to figure it out that way, by peak boost).

2) Seeing as how the car takes a solid few days and a few gallons of gas to adapt to a JB3, what happens when the switch is flipped from, say, the normal high boost to valet (stock)? Is the change smooth and immediate, or does the car then require re-learning, i.e. the same as if you were to uninstall the JB3 alltogether? Same question applies for flipping it from valet/low boost to normal high boost.

Thanks!

I'm guessing this under-hood switch will work just fine to meet the needs of my brother's car with the JB3. The fuel economy while in high boost mode is good enough that I can't see flipping it off for day to day driving. I really only foresee needing the switch on snowy days. No need for more power then, and most of the time you have the time to either see it snowing before you start driving, or know it's going to be snowing later, and take the time to pop the hood and hit the switch before you go.
There is a red dot on the switch, this red dot is low boost, middle is high boost, and other way is stock (valet)

Adaptation is pretty quick, 3 WOT pulls in 3rd gear will get you adapted back to normal.

-Rick
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      09-05-2008, 01:15 PM   #54
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Quote:
Originally Posted by RiXst3r View Post
There is a red dot on the switch, this red dot is low boost, middle is high boost, and other way is stock (valet)

Adaptation is pretty quick, 3 WOT pulls in 3rd gear will get you adapted back to normal.

-Rick
Is Low Boost lower than stock? Or higher than stock but lower than high-boost?
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      09-05-2008, 01:33 PM   #55
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Originally Posted by sambonator View Post
Is Low Boost lower than stock? Or higher than stock but lower than high-boost?
Higher. 11-13 range.
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      09-05-2008, 01:53 PM   #56
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hey... rick
i have a great idea on the switch. Have you heard of "ScreenKey"? it can be programmed to display any text or graphic on its 36x24 pixel display. It uses a simple microcontroller to change the display and the backlight once the button is pressed...the graphic display with any different colors can be illuminated by programmable backlight... it's an on-the-fly configurable, multicolor, multidisplay button!!







You can find the Datasheet here
RGB24T Datasheet
Example ATmega Code
more info
http://www.screenkeys.com/prod_rgb_series.shtml
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      09-05-2008, 02:37 PM   #57
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Quote:
Originally Posted by cocoturkey View Post
hey... rick
i have a great idea on the switch. Have you heard of "ScreenKey"? it can be programmed to display any text or graphic on its 36x24 pixel display. It uses a simple microcontroller to change the display and the backlight once the button is pressed...the graphic display with any different colors can be illuminated by programmable backlight... it's an on-the-fly configurable, multicolor, multidisplay button!!

You can find the Datasheet here
RGB24T Datasheet
Example ATmega Code
more info
http://www.screenkeys.com/prod_rgb_series.shtml
I was actually just checking those out a few weeks ago, very cool! Its sorta like a single key from an optimus maximus
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      09-08-2008, 03:43 PM   #58
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so... are you going to put this on instead? it's cool!!
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      09-08-2008, 03:47 PM   #59
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Quote:
Originally Posted by cocoturkey View Post
so... are you going to put this on instead? it's cool!!
The screenkey switch might cost more than the jb3

Very cool concept though, I just think its too complex right now... since it requires a whole seperate microcontroller and power supply... bms is more into the simple approaches
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      09-16-2008, 12:32 PM   #60
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Got my map switch today

Are there any problems with switching maps while the car is running?
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      09-16-2008, 01:05 PM   #61
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Quote:
Originally Posted by becker800 View Post
Got my map switch today

Are there any problems with switching maps while the car is running?
nope, no problems with that... just do 2-3 WOT pulls after each map change to make sure you are adapted.

-Rick
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