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      12-14-2008, 10:43 PM   #1
baseballbreath
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JB3

Ok, so I should be getting my JB3 in the mail on Tuesday and I wanted to see how to "program" it. I have read that you install it and then you take the car out and drive the piss out of it so the tune can actually get a feel for the car. Is this true, or is the tune an instant thing? Thanks!
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      12-14-2008, 10:45 PM   #2
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3-4 WOT's and it's adapted. That's it.
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      12-14-2008, 10:47 PM   #3
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Quote:
Originally Posted by Tuned1 View Post
3-4 WOT's and it's adapted. That's it.
Yep, Tuned1 is an expert and is completely correct as usual...:smile:
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      12-14-2008, 10:48 PM   #4
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Quote:
Originally Posted by Tuned1 View Post
3-4 WOT's and it's adapted. That's it.
Great...Thanks! I'm taking it that you have the JB3? What do you think? Do you have an 08 or 09?
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prem, sport, cold weather package
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JB3
RR Oil Catch Can
RR Stage II Intake
RR Intake Plenum
RR CDV
BMW Performance Exhaust

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CF Interior Trim
M Door Sills
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      12-14-2008, 10:49 PM   #5
baseballbreath
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Oh yeah what if you add more stuff to the car (ie downpipes) after it has already been installed? Does it continuously adapt?
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JB3
RR Oil Catch Can
RR Stage II Intake
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RR CDV
BMW Performance Exhaust

Cosmetics:
CF Interior Trim
M Door Sills
GP Thunder 75K
Black CF Ambergones
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      12-14-2008, 10:59 PM   #6
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I have an '08 and was the first (second to Terry) to install the JB3. Best performance mod for the dollar out there. As for the other mods, you can add on and the car will adapt accordingly.
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      12-15-2008, 12:19 AM   #7
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So what happens if you install it and dont do 3-4 WOT pulls?
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      12-15-2008, 12:23 AM   #8
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self destruct sequence begins.....
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      12-15-2008, 12:51 AM   #9
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self destruct sequence begins.....



I think WOT will allow the computer to adapter faster. If you don't do it, it'll just take longer. But then, what the hell are you doing with a JB3 when you don't WOT your car? Trust me, you cannot resists flooring the car after you installed the JB3. And after you've tasted the power, you can't stop WOT whenever possible.
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      12-15-2008, 01:30 AM   #10
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What's your avg MPG after installing??

I would assume 7-11?
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      12-15-2008, 01:37 AM   #11
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I actually filled up this morning, and I got 20.x mpg.
before JB3 I's getting around 22.x mpg.
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      12-15-2008, 01:49 AM   #12
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thats not too bad. I'm getting 24.5 right now, but still break in :biggrin: After that, I doubt it will stay that high
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      12-15-2008, 09:27 AM   #13
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Quote:
Originally Posted by Tuned1 View Post
3-4 WOT's and it's adapted. That's it.
100% correct. Few pulls and you are good to go. The JB3 is also adaptive to any mods you may put on in the future.

Mike
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      12-15-2008, 01:07 PM   #14
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my JB3 milage went up on the highway... Naturally around town I am in the gas more than not... but I took a ~600 mile trip with the jb3 and got about 2mpg better than OEM programming... albeit, it was cooler this time around.

Anyway, install the chip, drive the car... I noticed more power after the second day on a cold start... might have just been all in my head though.
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      12-15-2008, 01:16 PM   #15
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I think JB3 should improve mpg since it has a better (imho) throttle algorithm. I got less mpg just coz I changed my driving behavior. Before JB3, I shift at or before 4000rpm, after JB3, I shift around 6000rpm :headbang:
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      12-15-2008, 01:50 PM   #16
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Mileage while learning for me went WAY down... cruising on the fwy at 70-75 I was watcing the miles per tank remaining literally drop a mile every 10 seconds...

then yesterday I took off for a little day trip, 178mi remaining, drove about 60, then came back same 60 but on country road, and when I got home car still said 178mi remaining
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      12-15-2008, 02:03 PM   #17
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Quote:
Originally Posted by ronnyek View Post
Mileage while learning for me went WAY down... cruising on the fwy at 70-75 I was watcing the miles per tank remaining literally drop a mile every 10 seconds...

then yesterday I took off for a little day trip, 178mi remaining, drove about 60, then came back same 60 but on country road, and when I got home car still said 178mi remaining
I need a 135 like that, it doesn't use gas!!!! Best mod ever!!!

Sorry for joking, I'm stupid today
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      12-15-2008, 02:26 PM   #18
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Best bang for the buck mod for the N54 hands down, after we had our Pin-Out Version JB3 installed ** By the main man himself, Terry ** as soon as we got out of the neighborhood we opened pandora's box and let loose like a bat outta hell. A few WOT pulls is all it takes, it also assures that everything is installed smoothly.
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      12-15-2008, 03:34 PM   #19
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just meant to say dont be supprised at odd mileage information in the first little bit after a change
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      12-15-2008, 04:09 PM   #20
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is jb3 still untraceable as advertised? because i just saw a member who got his warranty taken away for sstt. apparently bmw is not having any of this tuning stuff, not on their buck.
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      12-15-2008, 04:18 PM   #21
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Many instances of people going in and out of service w/o detection (piggybacks removed). Their stories can be found on E90 and N54tech.
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      12-15-2008, 04:21 PM   #22
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Quote:
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is jb3 still untraceable as advertised? because i just saw a member who got his warranty taken away for sstt. apparently bmw is not having any of this tuning stuff, not on their buck.

That would be me, but just to be clear, I was using a SSTT and catless downpipes with O2 sims.
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