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  #1  
Old 06-30-2014, 07:51 PM
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Navigation Screen not working!? Help

My 2002 Bmw X5 4.6is navigation screen is not working. It was working fine but recently it has gone black. I can see it sometimes flashing but still does not show anything. Everything still works except for the display. Any ways to fix? Let me know thanks
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  #2  
Old 06-30-2014, 08:18 PM
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everything works except for the display. chances are the nav computer either gone south, or has chaffing wires somewhere...

go the left side of the trunk, where the nav computer is, have the car running, and stick your hand behind the nav computer, and try to wiggle wiggle the wires, without disconnecting them from the module. if you start getting flickering on the screen, something is wrong with the wires, you need to pull the nav comp out, unplug the cables and closely inspect them for loose, chaffing, bend, broken wires...

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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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  #3  
Old 07-01-2014, 04:57 PM
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I checked the wires and they all seem fine. You think there may be another problem? thanks
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  #4  
Old 07-01-2014, 07:41 PM
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Tell us more about the problem- when it started, how it started, was it cold turkey or slow happening? When does it flicker? Need more info...
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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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  #5  
Old 07-01-2014, 07:44 PM
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It started one day when i turned on the car and the display was just blank. It flickers when i am driving. Everything else works perfect except for the display
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  #6  
Old 07-05-2014, 08:44 PM
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Your NAV computer is defective.


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  #7  
Old 07-06-2014, 10:45 AM
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Any sites i can buy a replacement off for a good price? Thanks
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  #8  
Old 07-06-2014, 02:42 PM
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Before the issue started...did you happen to disconnect power...like when installing a new battery or disconnecting the battery for other work?

I ask because if you have the MK3 Nav CPU...it is known to go into catastrophic failure if not allowed to power down prior to removing electrical power:

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{BMW CCA Member #191509 - (for more info see: www.bmwcca.org)}
  • 2006 e53 X5 4.4i (12/05 build date) Sterling Gray exterior/Schwarz (black) interior
  • 1997 e38 740iL (3/97 build date) Arctic Silver exterior/Gray interior
  • 1999 e39 540iT (sold) Orient Blue
  • 1995 e34 525iT (sold) Alpine White
  • 1991 e32 735iL (sold) Schwarz (black)
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  #9  
Old 07-06-2014, 02:45 PM
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Do you have the dvd or cd based unit?
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