If that is the original TCU, it should not have Bluetooth according to SIB 841304:

"E46, E83, E85 and E53 vehicles produced
between 3/2004 and 8/2004 are equipped with a
TCU that does not support Bluetooth. On these
vehicles, the TCU can be replaced at the
customer's expense with a 2005 MY TCU.
Cradles may not be added to these vehicles
because of wiring incompatibility.

Please disregard the Owner's Manual insert,
shown to the left, indicating Bluetooth
functionality. The hardware in these vehicles
will not work correctly."

The SIB indicates the seat belt needs to be fastened on E53 X5 in order to initiate the pairing procedure. I didn't find this necessary on the TCU that I retrofitted.

Remove the TCU and see if you . have a pass code on it. If it does try to pair it with the phone

I have this Visteon ULF Module end of life Mar-04 84216934961 3rd generation that says it has Bluetooth only; no Assist; direct replacement for TCU; requires pairing button; ULF modules have voice control of phone and nav.
I also saw a passkey on the module .
http://farm9.staticflickr.com/8065/8...17ba71df7d.jpg
IMG-20121117-00681 by JoyCaluma, on Flickr

Should this function properly?
the car was produced 04/04.

I tried to initiate the pairing but to no avail :dunno:

cheers!

Yes, you have a ULF, not a TCU. I had one of those a while ago too. You must have the eject box cradle with the pairing button to initiate pairing.

How did you try to initiate pairing? For a ULF, you must push and hold the button with the car off. Then continue to hold while your turn the car on and continue holding for another 10 seconds or so. Make sure to fasten your seat belt, because the seat belt warning can interrupt the pairing on some cars.

exactly what I did. 60secs max :D but still no response

The fuse (F74) of the ULF is good.

do i have to turn the engine ON or just the acc ?

It will pair with the key in either ACC or on position.

Just to confirm... you are definitely using the pairing button on the center console eject box and not the button on the steering wheel, correct?

Also, are you getting the "TELEPHONE" option on the main navigation menu?

Yep. Affirmative.

And yes I have that option on my nav.
If I select it, it says ACTIVATE PHONE.

Could the ULF be damaged?

Can I just easily swap it with another ULF?

Yes, swapping to a new ULF is very easy.

I would try a test with NavCoder before you wrote it off. You can make it enter pairing mode with NavCoder. The problem could be the button or wiring.

Yes, swapping to a new ULF is very easy.

I would try a test with NavCoder before you wrote it off. You can make it enter pairing mode with NavCoder. The problem could be the button or wiring.

Thanks for the advice

Now NavCoder would be another issue for me.