04 745Li Issue, NEED HELP FAST!!! - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 06-29-2008, 12:50 PM
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04 745Li Issue, NEED HELP FAST!!!

Need help from anyone.
the issue is i was driving my 745 two days ago and a few hours later needed to go the store and turned on the car and noticed that on my screen no NAV is showing or radio does not turns on, although i only see the left side info like fm/am/cd/cdchanger, etc but nothing else for navigation nothing in addition i cannot see the vehicle inspection area, just the left side only the part that says check or service but nothing else. i checked the fuses this morning on the glove compartment and in the luggage area and all fuses are working properly, can anyone help? dont know what else to do and dont have the funds this weeks to take it to a dealership and pay 1k or so?
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#2 (permalink) Old 06-29-2008, 01:15 PM
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try pulling the battery for a few minutes and reconnecting it?

I would read up on it though, cause im not sure what will be reset, but that might fix it?

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#3 (permalink) Old 06-29-2008, 02:53 PM
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i didnt completely disconnect the battery but used the switch located on the luggage compartment to see if that would work but no luck , does anyone knw if anything happens if i disconnect the battery completely from the vehicle and then reconnect it if it affects anything in the car? thanks
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#4 (permalink) Old 06-30-2008, 12:43 AM
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you'll need to have your key ready with you. alarm will reset also as soon as you re-connect battery.

You'll need to have the radio unlock codes also... otherwise your sound system will be inoperative.

dunno if NAV has unlock codes as well...

Other than that, disconnecting the battery say overnight will reset all electrics to factory setting(odometer excluded)
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