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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > Combox retrofit to E92 with 6FL



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      11-25-2018, 03:35 PM   #1
chrisymarr
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Combox retrofit to E92 with 6FL

Hi everybody,

I have done a CIC retrofit to my 2007 E92 M3 and now I want to retrofit the combox to the car.

It has option 6FL from the factory so it has an AUX and USB in the armrest.

Do I need to replace the USB port in the armrest or is there any thing I need to do to the USB to get it working with the combox?


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      11-25-2018, 03:53 PM   #2
ctuna
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Kind of depends on what you had in the first place.

Bimmerretrofits makes a harness for this.
All the rewiring would go on at the TCU Mulf Socket
if you have to do it yourself.

http://www.bimmerretrofit.com/store/...&search=combox

Last edited by ctuna; 11-25-2018 at 03:59 PM..
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      11-25-2018, 03:56 PM   #3
chrisymarr
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Quote:
Originally Posted by ctuna View Post
Kind of depends on what you had in the first place.

Bimmerretrofits makes a harness for this.
All the rewiring would go on at the TCU Mulf Socket
if you have to do it yourself.
Perfect thanks

My car has a TCU and a MULF2 fitted.

I have a plug and play harness and FAKRA connections.

Will this make the USB socket in the arm rest work with the combox?
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      11-25-2018, 04:06 PM   #4
ctuna
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I know the combox has two usb ports where the original
setup on the 07 has one usb which goes through the usb hub .
I am not absolutely sure how this handled.
This has been discussed in one of the threads before.
not to long ago. Looks like you need a separate cable.

usb hub is in driver side kick panel on 3 series. US drivers side.

https://www.e90post.com/forums/showt...ghlight=combox

https://www.newtis.info/tisv2/a/en/
combox
https://www.newtis.info/tisv2/a/en/e...agram/CkXCJAUo

https://www.newtis.info/tisv2/a/en/e...ection/xHG8EKj

https://www.bimmerfest.com/forums/ar.../t-723325.html

From the above
For your USB hub under a seat, I think you just ignore its existence (I think I read that on at least one thread...) and run a new cable between combox and the USB/Aux plug. You already have one of these, but be sure it is selectable, check the part #. This relates to switching the aux signal path based on what is plugged in and where, I think, and is important if you intend to try to get all the functionality of a 6NF cradle install - without the cradle, like I plan to do.

They also list part no's further down in the thread for the factory usb aux
cable.

Last edited by ctuna; 11-25-2018 at 04:54 PM..
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      11-26-2018, 01:39 AM   #5
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you only need to get combox for e-series and 26-pin connector for combox to repin contacts needed from tcu and mulf2 connector
usb wiring used for mulf2high will work with combox
there is plenty topics on that forum about combox retrofit with all details provided many times
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