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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 > Jb4 535i install help



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      02-12-2013, 11:11 AM   #1
08E60535iLCI
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Jb4 535i install help

Hey guys I got jb4 g5 iso last night installed

Upon driving went in to limp mode


I plugged it all in. Did not do any splicing as I saw on the video.
There was a red wire that I just taped up. Did not plug it in.

I will take it apart today and try again. Can someone write up how to do this and walk me through, thanks.
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      02-12-2013, 11:27 AM   #2
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There you go : http://burgertuning.com/instructions/JB4PnP.pdf
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      02-13-2013, 01:36 PM   #3
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Quote:
Originally Posted by 08E60535iLCI View Post
Hey guys I got jb4 g5 iso last night installed

Upon driving went in to limp mode


I plugged it all in. Did not do any splicing as I saw on the video.
There was a red wire that I just taped up. Did not plug it in.

I will take it apart today and try again. Can someone write up how to do this and walk me through, thanks.
Was it the power wire that you did not install and just taped up?

Mike
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      02-13-2013, 04:12 PM   #4
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I dont think the car actually starts without the power wire, i forgot to plug mine in once on an install and the car just kept tying to turn over... then again I'm a 335 n54
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      02-14-2013, 01:31 PM   #5
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Mike it was the power wire I taped up, the car did start without the power wire.

I somehow being excited at 10pm at night thought that was a step I dont do watching the video of the install on my iphone.

So the next day I took the car apart and hooked up the power wire to the green connector, closed it all back up.

Closed the hood and put it on map 5, went out for a drive and was like whoaaaa
then I got a warning fuel pump something something, it said you can drive the car but call the dealership.

I turned the car off, turned it back on, and it went away. Since then I have been driving like a mad man, and I was getting about 15 to 16lbs of boost.

Very easy install of the jb4 g5 and bms dci. Highly recommended.

Last night I had my brother with me in the 535 and ran my cousin in his stock 335. I was shocked how embarassingly the 535 pulled on him, from 40 to about 110 I had at least 6 or more cars on him.
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      02-14-2013, 01:42 PM   #6
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That red wire you speak of is very important. It goes into slot #2 on the green connector near the front of the DME box. Connect the female end you took out of slot #2 to the male end of the jb4 wiring harness.
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      02-14-2013, 01:45 PM   #7
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Quote:
Originally Posted by PR3CI5N View Post
That red wire you speak of is very important. It goes into slot #2 on the green connector near the front of the DME box. Connect the female end you took out of slot #2 to the male end of the jb4 wiring harness.


Already done man, the car did start with the wire not connected, I was able to go through the maps with the steering wheel controls. I did get a CEL light though and engine malfunction, went in to limp mode.

The next morning I took it all apart again and connected the red wire, stupid of me trying to be in a hurry and get it all installed quick.

So far happy with the results, havent tried E85 yet. Might do 30% e85 and see how it feels.
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      02-14-2013, 02:01 PM   #8
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Glad to hear it. Definitely add about 4-5 gallons of E-85 to a full tank. I personally don't like adding too much more because the car starts running too lean. Enjoy
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      02-14-2013, 02:25 PM   #9
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Quote:
Originally Posted by PR3CI5N View Post
Glad to hear it. Definitely add about 4-5 gallons of E-85 to a full tank. I personally don't like adding too much more because the car starts running too lean. Enjoy
Thanks man, I dont want to stress the car too much now hehe.

She is my baby after all and I do drive my kids around in it sometimes, so gotta keep her in tip top shape. I think a few gallons of E85 to just experiment with it should be good enough for now.

I need to find a good deal on a charge pipe now.
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