OK - got the info. Here is the PIN info.

the connector has this info on it, not sure if it matters just thought i'd add it.
White 'lever': seimens A1000-Y454
Black connector- seimens B1054-Y10 PBT GF20

1 red
2 white
9 clear
10 white
11 gray
12 purple white striped
13 white gray striped yellow rings
17 blk brown striped
18 blk white stripe
19 red
20 blk
24 brown blk stripe
25 red yellow
28 black
29 white brown or orange
31 red yellow
32 red yellow
33 brown black
34 brown black
37 yellow
38 green
39 crlear
42 brown blk
43 red yel
46 red
47 green white
48 blue white
52 brown white
53 clear
54 white

The 'clear' wires look like audio type wires. let me know if it makes sense. Let me know if this helps.

OK, Looks like the BIT for the Siemens Handset. Info follows...

Hard to make a table here.
List shows your pin + wire colour, then Function, then where to connect this wire on USA TCU (TCU pX), and the USA TCU function

You'll be able to make the phone functions work, and connect a Bluetooth phone.
You won't have Emergency Buttons Assist because the Euro loom doesn't support it.
If you use a USA Eject Box, you must change the Eject Box connector from Euro type to USA Type

Here we go:

BITII Siemens Cordless Handset Euro Function USA TCU-Everest Pin, USA Function
1 red TELON, Telephone On, to Euro Eject Box X4039 p11 TCU p9, RXCAUDIO, to USA Eject Box X4545 p15
2 white DIN, to Euro Eject Box X4039 p6 TCU p11, TXAUDIO; to USA Eject Box X4545 p11
9 clear Shield, diagnostic conn to nav Not used, insulate and tie back
10 white RXD, diagnostic conn to nav Not used, insulate and tie back
11 gray TXD, diagnostic conn to nav Not used, insulate and tie back
12 purple white striped Voltage supply terminal R, to X400 p2 TCU p35, TermR (ign power), to X400 p2
13 white gray striped yellow rings* I-bus databus, to X400 p4 TCU p15, Ibus, to X400 p4
17 blk brown striped TELNF-, telephone audio out, -ve, to X400 p9 TCU p38, TELNF-, to X400p9
18 blk white stripe TELNF+, telephone audio out, +ve, to X400 p10 TCU p37, TELNF+, to X400 p10
19 red 12V, to Euro Eject Box X4039 p5 TCU p32, Charger, to USA Eject Box X4545 p1
20 blk RES, to Euro Eject box X4039 p10 TCU p4, AUDIOGND, to USA Eject Box X4545 p4
24 brown blk stripe Ground (main ground connection), to X400 p7 Not used, Insulate and tie back
25 red yellow Permanent power fm F74 10A, to X400 p1 TCU p17, Permanent power vm F74, to X400p1
28 black CTS, diagnostic conn to nav Not used, insulate and tie back
29 white brown or orange TELM, Telephone mute, to X400 p8 TCU p51, TELM, to X400 p8
31 red yellow Permanent power fm F74 10A, to X400 p1 TCU p18, Permanent power vm F74, to X400 p1
32 red yellow Permanent power fm F74 10A, to X400 p1 Warning! Permanent +12V! Not used, Insulate and tie back
33 brown black Ground (main ground connection), to X400 p7 TCU p36, Ground, to X400 p7
34 brown black Ground (main ground connection), to X400 p7 TCU p54, Ground, to X400 p7
37 yellow IN, to Euro Eject Box X4039 p12 TCU p30, RXD, to USA Eject box X4545 p18
38 green DOUT, to Euro Eject Box X4039 p14 TCU p29, TXD, to USA Eject box X4545 p9
39 clear Shield of Euro Eject Box cable, to Eject Box X4039 p7 TCU p39, Eject Box Ground, to USA Eject Box X4545 p7
42 brown blk Ground (main ground connection), to X400 p7 Not used, Insulate and tie back
43 red yel Permanent power fm F74 10A, to X400 p1 Warning! Permanent +12V! Not used, Insulate and tie back
46 red RTS, diagnostic conn to nav Not used, insulate and tie back
47 green white TELON, Telephone On, to X400 p11 TCU p33, TELON
48 blue white WDCT_OFF, to Euro Eject Box X4039 p4 Not used in USA Eject Box, insulate and tie back
52 brown white FS_MIC-, microphone -ve, to mic plug p3 TCU p19, FS_MIC-
53 clear Microphone cable shield, to mic plug p2 TCU p21, Mic shield
54 white FS_MIC+, microphone +ve, to mic plug p1 TCU p1, FS_MIC+

NOTE:
Power p25, 31, 32, 43 are all joined together in the loom
Ground p24, 33, 34, 42 are all joined together in the loom

There is no cabling for ASSIST.
The Emergency button + LED cannot be used.

If you have the Telephone Compensator installed, then you need to connect it's TELON to X400 p11, as there is no extra TELON wire in the Euro loom

The Euro loom has no cabling for illumination (58g from X400 p5), so if fitting the USA Eject box, the illumination will not work
I have described the Eject box wiring in a way that will be compatible, but you will need to change the Eject Box plug as well from Euro to USA standard
The Eject Box plug may be different in the US.


If you PM me your email address, I'll email the above as a spreadsheet

thanks to all - the converter was the fix!! :D :D :D

got the converter today and it worked!! I now have bluetoooth! weirdest thing though - the range on the bluetooth sucks. When i'm standing near trunk it works fine - when i'm in the front of the car it's terrible that shouldn't be the case right? Before my bluetooth would turn on while i was standing 10 ft away from the car. Nothing in the harness and wiring should reduce signal right? That's all antenna - but all of that is the same. when i'm sitting in drivers seat it fails to connect.

BT range is purely the antenna and should not be affected by anything else. Verify your BT antenna and antenna cable connections. If you have a TCU, make sure the antenna cable is connected to the "cream" color coded plug.

ok i'll give that a try - but my TCU is bluetooth and assist - and its the same TCU i had great range on before.. i'll give it a try regardless..

oh and sorry for thread hijack LOL... this may go down as the worst hijack in history..

Can anyone advise me on this?
I have a 2000 M5 that had a phone system in it, have the SES module still in car. If I do the 25 to 54 pin adapter should this unit be a simple plug and play (with BT antenna of course)?
Are the newer (E90, etc) modules compatible? Have seen a few listed on ebay but when I do a search on the part number on realoem or BMW parts sites I get nothing, any idea why that is?
Any reason not to mount the BT antenna in the arm rest area? For better reception...
Any difference between the CDMA and GSM units in regards to BlueTooth useage (dont care about plugging phone in, no snap-in modules for my phones).

I have tried searching, but find little about what makes the early 2000's different. I know with the ULF setup they charge an extra $100, but haven't seen WHY...
I dont use the phone often in car so I can't justify spending $500-800 on a BT setup, but $300ish for a used TCU is closer to justifiable for me (and wife unit)...
Thanks all..
Matt

Yes, this would be plug-and-play in your car. I helped a friend of mine do this installation in his 2001 750iL with SES. Your in-car wiring is essentially identical to his. All you need is the 25-pin to 54-pin adapter and the TCU part number listed above. That is it.

Do not use an E90 TCU; that would be incompatible with your car. This TCU, part number 84.10-9 195 455 is described as a "CDMA" TCU. Other units described as "GSM" are for European-markets, I think, and would not be compatible with your car.

Guys, Noob here, and not to hijack the thread and your all awesome, but can you tell me in my 04 X5, I have assist and it has a bluetooth antenna attached to it...do I need all the other parts besides the TCU, like the new gen mic, the BT antenna and BT antenna bracket? Thank you! P.S. I think this thread should go sticky..!

If you have Assist in your 04 X5, then you only need to swap the TCU modules. Your car should have the new gen mic. You will have to look for the BT antenna and bracket-- it may already have those too.

You will need to get the new TCU coded in your car to make it perfect.