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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 G4 Update - DIY Harness!



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      11-01-2010, 08:01 PM   #23
Mike@N54Tuning.com
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Quote:
Originally Posted by stimpy View Post
How about doing a core exchange?

I was one of the first JB3 buyers (PnP) and had to upgrade my box when going to 2.0 so I still have the old old harness.

I'd prefer to purchase the new harness/upgrade/whatever I need and then send my stuff back. Once received, you guys refund my 'core charge'.
No plans for that because harnesses are in various conditions depending on how well they have been treated. I'm sure BMS wouldn't mind selling you a whole new harness though.

In all seriousness if you can manage to install a DPFIX in the PnP harness you'll be able to figure this out. It's just moving three pairs to new locations. The PROcede guys all did it when added CAN and they seemed to figure it out. If you can't manage then you can mail it in to BMS or myself for a few bucks and let us take care of it for you.

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      11-01-2010, 08:14 PM   #24
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      11-01-2010, 08:19 PM   #25
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cant wait for G4!
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      11-01-2010, 08:23 PM   #26
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I still think a SDL should be included with the G4
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      11-01-2010, 08:23 PM   #27
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Quote:
Originally Posted by scottp999 View Post
Interesting that tapping power in that manner was "bad", and the method in the JB3 harness was marketed as superior for it's simplicity about 20 months ago.

Mike's own question was: Can it get any better? I guess he answered it with this thread, going with the other method is better?

Thread titled: JB3 Wiring Harness -- Perfection in Simplicity



Then you have the competitor telling BMS there was a good reason for external power and ground tap about 30 months ago:

"There's a reason that we don't use one of the small thin gauge wires in the subconnector for power and ground source. A reason that Terry will figure out for himself."

http://www.e90post.com/forums/showthread.php?t=150173



I will leave now and stay far away.



1st thing that came to my mind too Scott, hey but they said thats a horrible idea. Oh wait.....
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      11-01-2010, 08:42 PM   #28
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Quote:
Originally Posted by Sniz View Post


1st thing that came to my mind too Scott, hey but they said thats a horrible idea. Oh wait.....

+1
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      11-02-2010, 06:41 AM   #29
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+2
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      11-02-2010, 09:21 AM   #30
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when can we expect the g4?
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      11-02-2010, 10:55 AM   #31
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I am thinking end of this month, but I haven't got an official confirmation on the date yet from the Big man

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      11-02-2010, 05:53 PM   #32
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
I am thinking end of this month, but I haven't got an official confirmation on the date yet from the Big man

Mike
Hellz yes! I'll be waiting! Want that asap.
The CAN stuff is so cool. Do you predict any significant hp gains or just better drivbility etc? What sort of pricing are you estimating (i already run a JB3) ?


Thanks!

Last edited by Rotorocious; 11-02-2010 at 06:00 PM..
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      11-02-2010, 06:40 PM   #33
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I would skip the upgrade and buy the new product altogether before attempting to mess with what I've already got. I have a hard enough time getting the stupid harnesses snapped back into the ECU and that pisses me off. I normally pay people to do the things I'm not good at doing. This is probably one of them.
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      11-02-2010, 07:42 PM   #34
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This looks fun to me. I sorta miss working on cars.
I like doing oil changes, other things when I can (that dealer wont do for free) etc.
I did my own pin out and it wasn't that bad. After a couple it becomes repetition. I did my own standalone ecu harness from scratch a while back, something that tedious and nuts, I have no problem buying one already made or having someone else do it.
I've put off ordering a JB3 computer cable in lieu of buying the g4 instead. HURRY!
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      11-03-2010, 08:02 AM   #35
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easy mod, can't wait the G4.
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      11-03-2010, 08:53 AM   #36
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What is the g4 procedure if you have a pin out?
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      11-03-2010, 11:29 AM   #37
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Mike-

First, the harness work looks pretty simple. I think a video will put everyone at ease.

Second, I have the V3 dp fix and it is adjusted and WORKING! I guess I need to remove that when I receive the G4 upgrade and reinstall the red jumpers I removed for the dp fix? Also, will the G4's built-in dp fix need adjustment like the V3 did, or will it be good to go?
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      11-03-2010, 12:00 PM   #38
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To those that think this might be too hard for them to do don't worry about it. I hate electrical and was scared shitless about installing the DP fix but after doing it I can say it was VERY easy to do. This involves a lot of similar actions and steps that the DP fix requires so I know I won't have a problem with this.

I'll make a DIY video once the upgrade comes out.
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      11-03-2010, 12:28 PM   #39
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Quote:
Originally Posted by instag8tr View Post
What is the g4 procedure if you have a pin out?
You just relocate those three wires to new homes and stick the power wire in. Easy.

Mike
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      11-03-2010, 12:31 PM   #40
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Quote:
Originally Posted by love2drive View Post
Mike-

First, the harness work looks pretty simple. I think a video will put everyone at ease.

Second, I have the V3 dp fix and it is adjusted and WORKING! I guess I need to remove that when I receive the G4 upgrade and reinstall the red jumpers I removed for the dp fix? Also, will the G4's built-in dp fix need adjustment like the V3 did, or will it be good to go?
The DPFIX is no longer needed but you can always leave it in also should you require. I'd say why not remove and sell it.

Mike
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      11-07-2010, 09:00 AM   #41
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I got a few PMs from people asking about if they have a Pin-Out. The Pin-Out G4 conversion is even easier then the PnP as you just move a couple of wires around. Should take 10min once you're into the ECU.

Mike
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      01-25-2011, 12:49 AM   #42
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wow, it looks much harder then it actually is. It took all of ten minutes to do.
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      01-25-2011, 06:19 AM   #43
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wow, it looks much harder then it actually is. It took all of ten minutes to do.
+1

Thats the usual reaction. Looks complicated but very easy!

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      02-03-2011, 07:28 PM   #44
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Bump there a video on this? just got mine into today...
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