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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning JB4 install

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      06-07-2014, 02:10 PM   #1
Ohio Army Man
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JB4 install

I have a 14 m235i where is my dme box?
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      06-07-2014, 07:37 PM   #2
TunedM2C
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They're usually under the passenger's side plastic cowl.
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      06-07-2014, 07:58 PM   #3
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Inside the engine bay, in front of driver side front strut underneath a cover. The cover is held on with a T15. It's not behind the firewall like everyone assumes.
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      06-07-2014, 08:10 PM   #4
JustinCredibleM
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You don't need to access the DME box for the JB4 though.
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      06-07-2014, 08:22 PM   #5
Ohio Army Man
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Yea... Found that out. All up and running, just didn't know had to add some cable length. Also, must have the USB for everything's except 1 or 0... Have a manual, so no way to see what setting you're actually in.
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      06-08-2014, 02:55 PM   #6
JustinCredibleM
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You can connect your laptop to it or use your phone with the JB4 app. I just change the map on mine with the Android app.
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      06-09-2014, 09:39 AM   #7
Jerich0
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Hey Justin! How about a review on that JB4???

Thanks!
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      06-09-2014, 12:55 PM   #8
JustinCredibleM
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Quote:
Originally Posted by Jerich0 View Post
Hey Justin! How about a review on that JB4???

Thanks!
What do you want to know? I posted up some dyno sheets with it on my other thread.
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      06-09-2014, 01:16 PM   #9
Ohio Army Man
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Justin, Can you link that thread?
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