Do you have a map disk? If not, you will need to go to BMW and buy one. The Nav will not work without this disk.

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Will

Yeah ive got a map disk that a fellow member copied for me.
Still no responce when i try it.

Try downgrade to V24 EEUU from http://poi.ravestation.net/nav_os/

Burn into CD-R Verbatim on 1x speed for security

Stupid question but where are you inserting the disk?

The CD player behind the nav screen is just that - an audio CD player (unlike many vehicle nav systems) - do you have a nav computer in the boot behind the flap?

Some vehicles have just TV and OBC - no Nav - depends on the ordered options, though if that is the case, it should be easy to retro-fit a Mk3 or Mk4.

If you DO have a nav computer in the boot, then it looks like there is a problem with it as even without a map disk you should get a request to load the map disk on the monitor, and in the menu there should be a navigation option.

Can you confirm what you have in the boot, and where you have been trying to load the OS and nav CD?

Cheers

Ive got the MkIII computer in the boot.
Mine is a 01 so ive only got tape behind the screen GRRR
The car has factory 16:9 Nav
But no responce from any disk that i load in the boot.
I have read that when the nav is not working the system just reverts back to TV function.
The TV works fine just no nav.
I removed the nav and tuner today and checked all the connections etc and they are all fine.
???????????

http://www.xoutpost.com/286630-post4.html

Forget about Map disks for the time being. Your navigation computer is locked and is not making its presence known to the rest of the system. That should be your only concern until it is solved. It will not have been solved until you have a navigation option in your main menu. No use loading disk after disk in the unit before that happens.

Now then: Check that there is power in the 12V wire in the Mk-III unit. See if any LED do blink or light in the unit in any situation. If not, check the fuse. If fuse OK use a volt meter or rig a 12V lamp to check power at the connector.

If power is OK you have to re-install your Operating System. Find and download V24 USA -EEUU in spanish- CD image file. Make sure it is an image for a Mode2/Form1 disc. Burn it and use it to re-load your firmware. There are lots of threads in this forum describing the procedure. Follow it strictly.

Good luck

The red power led is on and fuses are fine.
I am downloading V24 EEUU now
Ill try that and let you know.
One more question do i load the disc with the key in position 1 or with the ignition off????
Thanks

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2005 E53 4.4 sport

Key in Pos1 so that the ibus devices are active. Radio off.