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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY: Procede USB Cable Through Firewall into Glove box



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DIY: Procede USB Cable Through Firewall into Glove box
Published by lkraven
06-04-2007
DIY: Procede USB Cable Through Firewall into Glove box

DIY Procede USB-Serial Cable Through Firewall

This is a DIY that builds on previous DIYs-- I take no credit for this except that I have taken some pictures for something others have already done. There's a DIY for routing a USB-Serial cable adapter around the A pillar. I don't like this for a couple of reasons-- 1, it exposes the wire to pinching, the elements and can look a little unpleasant. Second, it suggests the cutting of a rubber grommet in an area that would be exposed to water-- all the water running off the glass runs right down by this grommet-- if water gets inside the ECU box, to my knowledge, there is no drain, and exciting things could occur. More than likely, this will never happen, but I don't like taking chances.

I will gloss over how to get INTO the ECU box. If you have installed your own Procede, you already know how to do that. If you didn't, then the excellent video on Vishnu Tuning's website will get you up to speed.

This was done an E92. It should be the same for an E90, but I make no guarantees.

In addition to the tools you used to get into the ECU box, you will need a T8 Torx screwdriver or bit.

Step 1 - The ECU Box

The plastic ECU box that holds the ECU (and the Procede) has an opening in its rear that goes directly into the space behind the glove box. The only tricky part is getting to it-- but it's not all that tricky.

Once you have the ECU Box open, remove both of the ECU connectors so that the ECU is no longer connected to any cabling.

Then, gently press the tabs holding the ECU in place and slide the ECU right out. Put it somewhere safe and don't do something silly like starting your car. Once you have done that, the opening through the firewall is easily exposed.

The ECU box itself has a box inside it with a series of dividers that are held in place with tabs like the ECU. You will probably NOT need to remove the dividers and the inner box, but if you do, you will have a little more room to work.

Step 2 - Running the Cable

Once you have access to the opening, stick the cable through the hole and push it gently into place. Feed as much as you can. You should encounter very little resistance. Once you have fed a couple of inches, go into the passenger side seat.

Step 3 - Removing the Panel Underneath the Glovebox

There are two screws holding the panel underneath the glove box in place. These are T8 Torx screws. Remove them and gently remove the panel, it should come away with very little force. If you have run the cable correctly, you will see the USB cable poking out from above. Grab hold of it.

Step 4 - Into the Glove box

Remove the fusebox by turning the two black knobs in the back 90 degrees. Now, run the cable from underneath up into the glove box, then replace the fusebox cover.

Step 5 - Put Everything Back Together

That's it! You now have a cable directly plugged into the Procede for live data logging, or updating from the comfort of your glove box.

Note to Shiv: Please give us a map toggle switch! It would be easy to run it the same way and maybe even mount it in the glove box.

Enjoy!
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  #1  
By D-Rock on 06-04-2007, 03:04 AM
Great stuff man !!!!!
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  #2  
By BoostedBMW on 06-04-2007, 06:49 AM
Very nice write-up. Thanks for taking the time to post this. Would you like to do a write up of getting wires/vac lines through the hole in the firewall on the other side of the engine bay now? J/K, but i'm getting my boost gauge in the mail today so I have this on my mind and I haven't taken a look at where to run the vac line through, if I figure it out i'll post up a DIY I guess.
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  #3  
By Shinchan on 09-06-2007, 08:05 PM
Does anyone know how long the USB cable need to be?

I am going o purchase one soon, but need to know the length of the cable.

THanks
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  #4  
By lkraven on 09-06-2007, 08:14 PM
Don't remember how long it was... my guess is 6ft would work, but for reference, this is the EXACT unit I purchased:

http://www.newegg.com/Product/Produc...82E16812149115

Good luck.
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  #5  
By Shinchan on 09-07-2007, 06:52 AM
thanks.. I luv Newegg. But I am going to Microcenter and take a look first.. since I want it tonight to finish this thing.. and also add a boost gauge.
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  #6  
By 6Zylinder on 09-13-2007, 05:48 PM
Very nice write up! Haven't done it yet, but will do it after V2 arrives.
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  #7  
By Shinchan on 09-14-2007, 05:51 PM


Got the USB cable installed.... alone with my AA switch..

Thanks for the solution...
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  #8  
By cn555ic on 09-14-2007, 10:35 PM
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well a member here is selling a bluetooth feature that is for the Procede V2...For $350...I guess if you want to be always connected to the Procede there is a more expensive solution!!!!!
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  #9  
By scottp999 on 09-17-2007, 09:42 AM
Quote:
Originally Posted by Shinchan View Post


Got the USB cable installed.... alone with my AA switch..

Thanks for the solution...
The hole you put the wire through is big enough for the connector to fit through? No wire splicing involved?

Thanks!
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  #10  
By Shinchan on 09-17-2007, 10:25 AM
the hole is big enough.. to fit though the USB jack... and have enough room to fit the switch cables into the ECU box.
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  #11  
By Panoz on 10-16-2007, 03:13 PM
This is what I was looking for!!!
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  #12  
By 335iheLLraiseR on 10-16-2007, 03:37 PM
i told you so.
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  #13  
By Tuned335i on 11-28-2007, 04:45 PM
Exclamation Is there a fan in the hole between the ECU box and the interior?

It was just posted by Eugen that there is a ECU cooling fan in the hole where the USB cable is going through. The cable is going to stop the fan from turning.

Are you guys sure there is no fan inside that hole?
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  #14  
By Tuned335i on 11-29-2007, 02:09 AM
Quote:
Originally Posted by Tuned335i View Post
It was just posted by Eugen that there is a ECU cooling fan in the hole where the USB cable is going through. The cable is going to stop the fan from turning.

Are you guys sure there is no fan inside that hole?
UPDATE:

There are two holes. One at the bottom with no fan and one above that which is behind the curved plastic. The USB cable is simple to push through. Once you get the ECU out of the way (be SUPER careful with your taped splices to the ECU if you have a piggyback ECU tune) just push the USB end of the cable through as far as you can, then go look underneath where the carpet ends. The tip will be right there...
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  #15  
By cn555ic on 12-06-2007, 12:36 PM
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bump
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  #16  
By yahtzee on 12-25-2007, 10:41 PM
anyone know if it is the same for a 2008 535i?
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  #17  
By jahwerx on 12-30-2007, 04:52 PM
this was great - used it to route a boost gauge!
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  #18  
By uuni on 07-21-2008, 02:46 AM
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Anybody tried this with E93?
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  #19  
By cwn23 on 07-21-2008, 07:36 PM
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Quote:
Originally Posted by uuni View Post
Anybody tried this with E93?
Its the same thing as the E92, no difference whatsover!! To answer your question I have, and it works perfect!!! No worries
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  #20  
By uuni on 07-22-2008, 08:44 AM
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Quote:
Originally Posted by cwn23 View Post
Its the same thing as the E92, no difference whatsover!! To answer your question I have, and it works perfect!!! No worries
Ok thank you for your reply, ill do it also.
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  #21  
By loonyzou on 08-24-2008, 03:33 AM
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Hello,

I would like to be sure of the use of this DIY, after putting the USB cable, will I be able to plug an USB Key with MP3 and listen to them? Because I don't have USB plug stock, it would be great for me. Do I need to make it work by BMW (with an update of the CIP?)?
Will I be able able to explore the folders of the usb key?
I don't see where the USB must be plug in the ECU, can someone tell me?

Thanx
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