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7 Series - E65 / E66 (2002 - 2008)
Discussion of BMW's 4th generation E65/E66 7 Series flagship. The E65 generated much controversy, due to its radical styling and iDrive user difficulties. Nonetheless, the E65 broke records to become the best-selling 7-series iteration ever, especially after its 2005 facelift.

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  #1  
Old 02-11-2012, 07:41 PM
AceFX AceFX is offline
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Cool How to Retrofit a OEM Bluetooth TCU to your car

cleaning topic & only leaving required info

Last edited by PAPER; 09-11-2015 at 11:17 PM.
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  #2  
Old 02-11-2012, 08:08 PM
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Nice work! However, I wonder what the benefits of this system are versus CPT8000 or CPT9000?
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Old 02-11-2012, 08:12 PM
crombo97 crombo97 is offline
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Hey Ace this is great work.
I am on the hunt now for a TCU
Do you have a PN for the update TCU??
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Old 02-11-2012, 08:13 PM
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Last edited by PAPER; 08-08-2013 at 02:59 PM.
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  #5  
Old 02-12-2012, 04:59 AM
AceFX AceFX is offline
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Got it....many thanks
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  #6  
Old 02-13-2012, 07:57 PM
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Last edited by PAPER; 10-07-2014 at 10:54 PM.
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  #7  
Old 02-13-2012, 08:03 PM
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  #8  
Old 02-14-2012, 08:10 AM
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Yes my car does have them .

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  #9  
Old 02-14-2012, 08:12 AM
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Last edited by PAPER; 08-08-2013 at 03:10 PM.
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  #10  
Old 02-16-2012, 03:32 PM
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Quote:
Originally Posted by stuartjohn24 View Post

can the same coding be done with NCS expert?

Thanks again!
Yes. Read the module (MMI in this case) with NCS expert and you get the NETTODAT.TRC file which contain the command lines Ace is referring to.

You can modify the hex value on line 3002 as per Ace's guide and save the file as NETTODAT.MAN then code the MMI using the basic functions/coapiCodeSgByNettoDATA Type "NETTODAT.MAN".
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  #11  
Old 02-16-2012, 04:08 PM
stuartjohn24 stuartjohn24 is offline
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Hi politby,

Thanks for that, I will read the MMI this weekend and have a look. Im using INPA and DIS on my macbook using a virtual machine inside a virtual machine which is pretty slow! So im setting up a old computer in the garage at the moment purely for diagnostics etc...



I will take a picture of the unit this weekend, The wiring sounds simple just need to find the diagrams for my unit and the new one i will be fitting and match the connections up.

Thanks again

Stuart

Last edited by PAPER; 10-07-2014 at 10:57 PM.
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  #12  
Old 02-18-2012, 01:37 AM
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Originally Posted by stuartjohn24 View Post
Hi politby,

Thanks for that, I will read the MMI this weekend and have a look. Im using INPA and DIS on my macbook using a virtual machine inside a virtual machine which is pretty slow! So im setting up a old computer in the garage at the moment purely for diagnostics etc...
A VM inside a VM? So you're what, running a Windows VM in VMware Fusion on the Mac and then running VMware Workstation or VirtualPC in that VM? Cool, but why?

I've been working in virtualization for 6 years and only just now found the occasion to use it personally... to be able to run old 16-bit BMW software on a modern O/S...

Rather incredible that no one at BMW has leaked these specs, in all these years. Makes me wonder what they are threatened with if they did...

Last edited by politby; 02-18-2012 at 02:47 AM.
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  #13  
Old 02-18-2012, 03:30 AM
stuartjohn24 stuartjohn24 is offline
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Originally Posted by politby View Post
A VM inside a VM? So you're what, running a Windows VM in VMware Fusion on the Mac and then running VMware Workstation or VirtualPC in that VM? Cool, but why?

I've been working in virtualization for 6 years and only just now found the occasion to use it personally... to be able to run old 16-bit BMW software on a modern O/S...

Rather incredible that no one at BMW has leaked these specs, in all these years. Makes me wonder what they are threatened with if they did...
Yeah pretty much! I gave up on windows as a main OS many years ago! I have virtual box running on the mac which has a copy of windows running on it, this runs the INPA and the diagnostic head emulator, I then have VMware running inside the windows virtual machine to run the dis software. It does actually work but just very slowly!

I don't have any windows capable machines at home, I'm looking to get something setup purely for diagnostics and coding.
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  #14  
Old 02-18-2012, 06:36 AM
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Well it was worth a try but unfortunately it did not work in my case.

I recoded the MMI - BLUETOOTH_HANDY to "aktiv" (equivalent to changing the command line as Ace did) and it had absolutely no effect. MMI looks exactly the same and the only Bluetooth setting is the on/off toggle.

Then I also coded the PORTABLE_BT parameter to "aktiv" in the TCU. That didn't do anything either.

Strange that NCS Expert would report those parameters as codeable when they have no effect.

So I have to conclude that the TCU in my car does not support any other bluetooth functionality other than pairing with the BMW handset in the drawer. Unless there are more, less obvious, code changes needed.

I used INPA to interrogate the TCU and despite being a facelift car my 750i has a TCU manufactured in Dec 2003. I guess BMW had to get rid of old parts.
It does have the Bluetooth sticker with the pairing code and the car came with the pairing code card which is still in the glovebox.

Maybe I was just unlucky to get a facelift car with an old TCU, so I am real interested in hearing from stuartjohn24 and rostman about their TCUs and coding results.
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Old 02-16-2012, 05:47 PM
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Last edited by PAPER; 08-09-2013 at 04:32 PM.
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  #16  
Old 02-16-2012, 06:27 PM
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for some reason the pic's showed upside down ???
& my phone is tripping GRRRRRRRRRRR
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  #17  
Old 02-19-2012, 04:26 AM
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Paper, hope I am not raining on your parade now. The unit in your first photo, is that your old TCU? That is an AMPS unit. The other unit behind it in the other pics is a CDMA unit. Is that the new one? If so you are not only changing to a Bluetooth TCU, you are also switching from AMPS to CDMA.

There is also a compensator (flat square box with cooling fins) in your trunk, right? That is AMPS only.
I do not know if you can upgrade from AMPS to CDMA, the wiring may be completely different. Keep in mind Ace's car and most of the others in this thread uses GSM phones.

I am not saying you have hit a dead end, but make sure to check up on this both 2x and 3x before you plug this stuff in...

Last edited by PAPER; 08-09-2013 at 11:24 PM.
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  #18  
Old 02-19-2012, 05:43 AM
stuartjohn24 stuartjohn24 is offline
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Hi Politby,

I have taken the boot trims off to double check the telephone module.







I notice the unit has two antenna inputs, I believe one is the GSM antenna on the roof and the second the WDCT? which I understand is on the parcel shelf?

The newer TCU does not have as much wiring as it just connects to the SOS button, microphone, CAN etc... and not any connection to a phone cradle/drawer.

Would it be possible to use a TCU from an E60,E90 etc...

e.g.

http://www.ebay.co.uk/itm/BMW-E60-Bl...c#ht_500wt_812

Cheers
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Old 02-19-2012, 06:41 AM
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Quote:
Originally Posted by stuartjohn24 View Post
Hi Politby,

I have taken the boot trims off to double check the telephone module.

I notice the unit has two antenna inputs, I believe one is the GSM antenna on the roof and the second the WDCT? which I understand is on the parcel shelf?

The newer TCU does not have as much wiring as it just connects to the SOS button, microphone, CAN etc... and not any connection to a phone cradle/drawer.

Would it be possible to use a TCU from an E60,E90 etc...

e.g.

http://www.ebay.co.uk/itm/BMW-E60-Bl...c#ht_500wt_812

Cheers
Well yours definitely does not have Bluetooth.

I do not think the E60/61 TCUs will work in an E65. The part number in the eBay listing is missing a digit so I can't cross reference it, I tried adding 0-9 at the end but got no hits so I think the seller has got it wrong.

Last edited by PAPER; 10-07-2014 at 11:16 PM.
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  #20  
Old 02-21-2012, 12:13 AM
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Quote:
Originally Posted by politby View Post
Paper, hope I am not raining on your parade now. The unit in your first photo, is that your old TCU? That is an AMPS unit. The other unit behind it in the other pics is a CDMA unit. Is that the new one? If so you are not only changing to a Bluetooth TCU, you are also switching from AMPS to CDMA.

There is also a compensator (flat square box with cooling fins) in your trunk, right? That is AMPS only.
I do not know if you can upgrade from AMPS to CDMA, the wiring may be completely different. Keep in mind Ace's car and most of the others in this thread uses GSM phones.

I am not saying you have hit a dead end, but make sure to check up on this both 2x and 3x before you plug this stuff in...
I can use a GSM TCU

Last edited by PAPER; 10-07-2014 at 11:19 PM.
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  #21  
Old 02-23-2012, 11:02 AM
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politby politby is offline
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Originally Posted by PAPER View Post
I can use a GSM TCU
Hard to say. I don't think the issue is GSM vs. CDMA, rather if the existing wiring in your car supports upgrading from the AMPS system, since the AMPS TCU uses a compensator and other stuff.

But they are all MOST connected so maybe it will work. Might want to ask BMW if there was an upgrade path from AMPS.

Last edited by PAPER; 10-07-2014 at 11:19 PM.
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  #22  
Old 02-25-2012, 12:51 AM
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Originally Posted by politby View Post
Hard to say. I don't think the issue is GSM vs. CDMA, rather if the existing wiring in your car supports upgrading from the AMPS system, since the AMPS TCU uses a compensator and other stuff.

But they are all MOST connected so maybe it will work. Might want to ask BMW if there was an upgrade path from AMPS.
just thought I would let you know the unit I bought works with the AMPS .
PUT IT IN AN 04 along with the FaceLift MMI & it worked with no problems .
All features worked .
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Old 02-16-2012, 06:43 PM
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  #24  
Old 02-17-2012, 03:30 PM
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Hi Ace, are you guessing the hex values or do you have some reference info re you're settings?
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Old 02-17-2012, 04:47 PM
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Shame we can't get a source code dump from BMW

BTW, we s/w engineers don't call them hex pairs, each pair = 1 byte (or 8 bits)
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