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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 > a suggestion for Terry, JB3 + Steptronic owners



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      06-14-2009, 12:01 PM   #1
tjnptel1
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a suggestion for Terry, JB3 + Steptronic owners

Is it possible to have stock map while in " D " and then when you select " DS " JB3 will swith to a map of your choice?
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      06-14-2009, 12:20 PM   #2
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hm.. that is interesting, it would be pretty intuitive. but does the JB3 know what setting/gear you are on in a steptronic?
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      06-14-2009, 01:44 PM   #3
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i dont really see why you would want to do that.
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      06-14-2009, 01:44 PM   #4
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why not suggest it on his forum or email him so that he can actually post/reply
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      06-14-2009, 02:35 PM   #5
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The transmission control doesn't run through the ECU, but you can always get the tuning gauge and do on the fly map switching if you so desire.. as well as making a custom map to suit your desires.

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      06-14-2009, 02:48 PM   #6
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Doesn't the ECU have to re-adapt everytime you change a map on the JB3 even from stock to a performance map and vice versa?
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      06-14-2009, 03:21 PM   #7
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I have heard of flash tunes that do that. Can't remember which one.
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      06-14-2009, 03:31 PM   #8
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pretty good idea
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      06-14-2009, 04:51 PM   #9
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Quote:
Originally Posted by enrita View Post
i dont really see why you would want to do that.
why not?
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      06-14-2009, 04:52 PM   #10
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
The transmission control doesn't run through the ECU, but you can always get the tuning gauge and do on the fly map switching if you so desire.. as well as making a custom map to suit your desires.

MIke
where can i get a tuning gauge?
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      06-14-2009, 05:23 PM   #11
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Quote:
Originally Posted by CaptainDang View Post
Doesn't the ECU have to re-adapt everytime you change a map on the JB3 even from stock to a performance map and vice versa?
Every tune has to adapt to map changes....

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Originally Posted by tjnptel1 View Post
where can i get a tuning gauge?
http://www.burgertuning.com/bmsgauge.html
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      06-14-2009, 05:39 PM   #12
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Quote:
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where can i get a tuning gauge?
check out the n54 site. I think Terry has a post about having two left in stock
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      06-14-2009, 06:13 PM   #13
tjnptel1
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Quote:
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Every tune has to adapt to map changes....



http://www.burgertuning.com/bmsgauge.html
thanks, but i was looking for a solution that's more slicker, less conspicuous
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      06-15-2009, 01:23 PM   #14
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I think that would be cool......
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      06-15-2009, 10:49 PM   #15
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I think that would be cool......
+1
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      06-15-2009, 11:06 PM   #16
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Not a good idea if you plan on tracking the car. The throttle is WAY too twitch in DS. It's almost impossible to modulate the throttle.
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      06-15-2009, 11:27 PM   #17
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im going to have to jump on the why would u want that. In theory if the computer didnt have to adapt it would be cool.

But doing a stock map to something crazy your car would be jerky as balls.. Why not just run a map you enjoy and if you want to conserve fuel/tires just control it like the rest of us with your foot.
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      06-16-2009, 12:06 AM   #18
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^ +1 Just run the right map appropriate to your octane or mods as your daily driver. Most of the maps have stock driveability but modded performance.

But I could understand not wanting to get the boost gauge but still change maps on the fly without having to stop/start the car. But if conspicuousness is your angle, just put the boost gauge in your ashtray and no one would know the wiser.
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      06-16-2009, 12:39 AM   #19
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that sounds like a good idea.
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      06-16-2009, 04:59 AM   #20
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Quote:
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i dont really see why you would want to do that.
1+
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