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  #11  
Old 08-04-2012, 04:25 PM
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Interesting... I'd like to test that theory, too bad the X3 is not in my possession any longer...

I erroreneously thought, that the ClearChannel stations in the US were broadcasting data information on one of the sub-carrier frequencies, to be utilized in the visual of the on-board navigation system if equipped with a disk containing the traffic data. I guess I was wrong. on the other hand, why one of the Navigation sub-menues would list a greyed-out entry "Traffic information"? I guess, it is unrelated...

So, if the broadcast stations only allow the receiver to "flip" from a source to radio broadcast of traffic news, then what does Sirius traffic data does?

Does it work on aftermarket devices, such as Tom-Tom or Garmin or such? can it be modified to work with on-board nav?

Also, if I were to take my US spec car to Europe, will any of my hardware allow me to receive the TMC information? Obviously, after some "tweaking" and recoding, and possibly adding some additional hardware...

when my 4.6 was in Moscow, the local guys switched something in the radio to allow every decimal frequency in th FM spectrum to be tuneable, in other words, I could tune to 92.6 FM or 97.3 FM, whereas, before the "coding" I was only able to lock in ODD frequencies... And I am sure that the 2002 model had a BM53 radio (I have to dig into the trunk to see what is fitted there)
__________________
E53 X5 4.6iS
147K mi - Sold May 2013
Tireprints left in:
USA, Nicaragua, Costa Rica, Panama, Russia

E53 X5 4.8iS built 2005-10-17
66200 mi - June 2012
96000 mi - June 2013
112000 mi - June 2014
OEM fire extinguisher
OE first aid kit
OE tow hitch
OE TV module
OE aspheric mirror
K&N air filter
black/white badges
rear camera
4-channel video recorder

Here is the list of things I have done to the X
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  #12  
Old 08-06-2012, 03:19 AM
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Clearchannel is broadcasting RDS-TMC, but again this is not TP. The Clearchannel TMC signal is I think a subscription based service so you need an up to date disc. In most of Western Europe the TMC is sent unencrypted, but in Germany I think you can additionally pay for data which is more detailed.

I know the BM54 has two tuners so that it can tune one to the TMC equipped station whilst the other is used for music. Dunno what the BM53 has.

TMC data is sent to the MK4 I think over the iBus (rather than navbus).

Sirius traffic is again a data channel from the satellite that is sent to the nav computer.

The modification to your 4.6i was to change the region to say Europe, which changes the channel raster to 100kHz and cahnges the upper and lower bounds of the FM and AM bands.
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  #13  
Old 08-06-2012, 08:52 AM
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ok, it seems that we are having some progress here... So, the ClearChannel is broadcasting the RDS-TMC.

Will this part, 65 90 0 029 763, the TMC receiver retrofit kit, help?
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__________________
E53 X5 4.6iS
147K mi - Sold May 2013
Tireprints left in:
USA, Nicaragua, Costa Rica, Panama, Russia

E53 X5 4.8iS built 2005-10-17
66200 mi - June 2012
96000 mi - June 2013
112000 mi - June 2014
OEM fire extinguisher
OE first aid kit
OE tow hitch
OE TV module
OE aspheric mirror
K&N air filter
black/white badges
rear camera
4-channel video recorder

Here is the list of things I have done to the X
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  #14  
Old 08-06-2012, 09:54 AM
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That would add a TMC tuner if you need one. Does the BM53 have one tuner or two tuners?

The first step is to find out if Navteq/Teleatlas actually pay for access to the Clearchannel data and place it on the BMW map disc, and after how many years it expires.
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  #15  
Old 08-06-2012, 10:14 AM
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It seems that the disk has the TMC data, as the same disk is obviously is being used in the newer (idrive/MOST) cars. Hard to tell if the service has been paid for or not but if the disks are good for the newer cars, chances are it might have been paid for...

BM53 has only one tuner, so adding a dedicated TMC tuner with an antenna splitter may help...

Based on some other posts and no first hand knowledge, I may say that BM54 has two tuners but no support for Sirius radio, and BM53 has support for Sirius radio but only one tuner.
__________________
E53 X5 4.6iS
147K mi - Sold May 2013
Tireprints left in:
USA, Nicaragua, Costa Rica, Panama, Russia

E53 X5 4.8iS built 2005-10-17
66200 mi - June 2012
96000 mi - June 2013
112000 mi - June 2014
OEM fire extinguisher
OE first aid kit
OE tow hitch
OE TV module
OE aspheric mirror
K&N air filter
black/white badges
rear camera
4-channel video recorder

Here is the list of things I have done to the X
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  #16  
Old 08-06-2012, 10:28 AM
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OK so you only need the second tuner if you want to listen to a separate FM channel. Before spending any money you can temporarily tune to the station that supports TMC, you should have a grey TMC icon under the map that then lights up green when there is TMC data.
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  #17  
Old 08-06-2012, 10:30 AM
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ECS has this part, hopefully the whole kit, but the price is biting

Home Page > Search > 65900029763 > ES#183650 MODULE - 65900029763
__________________
E53 X5 4.6iS
147K mi - Sold May 2013
Tireprints left in:
USA, Nicaragua, Costa Rica, Panama, Russia

E53 X5 4.8iS built 2005-10-17
66200 mi - June 2012
96000 mi - June 2013
112000 mi - June 2014
OEM fire extinguisher
OE first aid kit
OE tow hitch
OE TV module
OE aspheric mirror
K&N air filter
black/white badges
rear camera
4-channel video recorder

Here is the list of things I have done to the X
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  #18  
Old 08-06-2012, 10:34 AM
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I did not see a TMC icon at all, while scanning across the available channels - I suspect, that the TMC function is not activated in the radio as my radio is set to USA and I would need to have it set to EUROPE. However, my particular radio unit does not have the EUROPE selection available in the Service menu, it has Japan, Oceania, Canada...

I would think, that adding the TMC module would activate the TMC function on the screen and then that module will scan the spectrum to find the TMC broadcast... this is pure speculation, as it has not been tested and I could not find anything on the Xboard or on the web to prove that statement...

I guess, a plunge into $600-700 can resolve this issue... lol...
__________________
E53 X5 4.6iS
147K mi - Sold May 2013
Tireprints left in:
USA, Nicaragua, Costa Rica, Panama, Russia

E53 X5 4.8iS built 2005-10-17
66200 mi - June 2012
96000 mi - June 2013
112000 mi - June 2014
OEM fire extinguisher
OE first aid kit
OE tow hitch
OE TV module
OE aspheric mirror
K&N air filter
black/white badges
rear camera
4-channel video recorder

Here is the list of things I have done to the X

Last edited by TerminatorX5; 08-06-2012 at 10:36 AM. Reason: spelling
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  #19  
Old 08-08-2012, 11:31 AM
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Here is some info off the TMC Forum's FAQ:

If I go from one country to another will my TMC receiver "roam" like my GSM phone?
In most countries and regions only one TMC service is available in a certain location. Most TMC receivers will automatically tune to the strongest TMC service. You should be able to receive free services across most of Europe as long as you have the appropriate navigation map disc. Where commercial services exist, access will depend on the partnerships and agreements established between operators and manufacturers.


How does TMC differ from TA (traffic announcements) and TP (traffic programme)?
TMC is a "silent" traffic data system, needing a special decoder in the receiver. The Traffic Announcement (TA) feature of a standard RDS radio allows interruption of a CD or cassette tape when there is a travel report from the radio station that is currently tuned-in. Stations broadcasting traffic announcements are labelled with the TP (Traffic Programme) flag, allowing them to be selected even when listening to another station.



How can I add TMC to my existing GPS navigation system?
Some GPS navigation systems allow you to add an external TMC receiver, if they do not already have one built-in. You will also need the appropriate software, which should be included in up-to-date map discs. A knowledgeable dealer should be able to tell you if this will be possible for your system.
If you would like to receive a commercial TMC service (see the Services Today section of this site to find whether this is the case), check beforehand with the service provider that your planned combination of map disc and GPS navigation system (and, if applicable, separate TMC receiver) will enable you to receive the service.
__________________
E53 X5 4.6iS
147K mi - Sold May 2013
Tireprints left in:
USA, Nicaragua, Costa Rica, Panama, Russia

E53 X5 4.8iS built 2005-10-17
66200 mi - June 2012
96000 mi - June 2013
112000 mi - June 2014
OEM fire extinguisher
OE first aid kit
OE tow hitch
OE TV module
OE aspheric mirror
K&N air filter
black/white badges
rear camera
4-channel video recorder

Here is the list of things I have done to the X
Reply With Quote
  #20  
Old 08-09-2012, 12:05 AM
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ok, here is more on the subject...

there is a member, who lives in UK and had to replace his factory radio (presumably a BM54) with a slightly newer one from US (presumably BM53). He had changed the coding to Europe from US, and he HAS the TMC active and functional on his MK4 nav system. However, when he tunes off the radio, the TMC icon goes from green to red, reconfirming the suspicion that he has BM53 unit from the US with a single tuner.

http://www.xoutpost.com/electronics/...tion-menu.html

This theory can be tested with existing setup - I know I have the BM53 radio, I know I have the disks with TMC info, supposedly the TMC standard is the same worldwide, so, I just need to flip the radio from US to Euro mode...

However, here lies the problem... I do not know what version of BM53 I have, but the service menu does NOT have the Europe available under service menu...

Anyone ran into this situation?
__________________
E53 X5 4.6iS
147K mi - Sold May 2013
Tireprints left in:
USA, Nicaragua, Costa Rica, Panama, Russia

E53 X5 4.8iS built 2005-10-17
66200 mi - June 2012
96000 mi - June 2013
112000 mi - June 2014
OEM fire extinguisher
OE first aid kit
OE tow hitch
OE TV module
OE aspheric mirror
K&N air filter
black/white badges
rear camera
4-channel video recorder

Here is the list of things I have done to the X
Reply With Quote
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