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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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Old 12-22-2015, 02:58 PM
Momosumomo Momosumomo is offline
Location: America
Join Date: Nov 2015
Posts: 1
Mein Auto: 745Li
Navigation Unit Failure

Hey there fellow BMW enthusiasts! I've recently became a BMW owner, and my first car is a 745Li. Buying it used, it's previous history was filled with various animals, notably cat, and other unidentified creatures. With sleeves rolled high and a mindset of a maid, I cleaned this sucker up. Living in an area that produces cold powder on a daily basis, I don't have many reasons to drive, let alone a luxury car like this. I found it odd, when one day, out of the ordinary, I decided to drive it to the local market when, dead battery. Confounded, I asked a friend for his NAPA Battery charger he nicked from a closed NAPA Auto shop. Purely dead, it wouldn't charge. Money isn't such an issue, so I bought a new battery. Another week later, Dead. Though more like Frankenstein, it could be recessed by powers of lightning. Curious I scour the entire vehicle for signs of broken electronics. Culprit I did find, the darned Navigation DVD Unit doesn't turn off! I bought this beauty used, and surprisingly enough, it didn't have a navigation DVD with it, not a problem remembering the local roads is good enough for me. However the DVD Unit just is perpetually looking for a disk. Cleverly I stuck in a blank CD-Rom, take that power hungry monster. No luck, the Unit Spins perpetually without a disk, because it wont stop to accept a disk! The thing is hooked up though the MOST network, so it has shut down my radio, amp, everything, with its consistent loading, of a disk not there. So my questions to you, members of this forum, can I conceivably fix it?. If not, is it worth replacing, or should I just stick a lollipop on it and call it a day. Thank you for reading this story written plead of help.
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Old 12-22-2015, 05:50 PM
Rick in Yuma's Avatar
Rick in Yuma Rick in Yuma is online now
bimmerfest Supporting Member
Location: Arizona
Join Date: Dec 2006
Posts: 825
Mein Auto: 05' 760li,94' H1,08'Smart
Sounds like you did some reading here. I would get the loop... Do you know that it take 15 or more minutes, for the car to go to sleep. Check that it has gone to sleep. You will see seat adjustment button light go out. Then put your ear to the trunk area to see if nav unit is still running. If it is not than you have another problem. They start running the minute you open a door... Did you register the new battery? Very important that you do. If your not driving the car much. Flip the switch in the battery compartment to off. This is not a complete kill switch. You can still start the car if you forget to switch it back on..
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