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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E65 / E66 (2002 - 2008)

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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  #1  
Old 12-09-2014, 07:36 PM
dylokjai dylokjai is offline
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Location: Orange County CA
 
Join Date: Nov 2006
Posts: 20
Mein Auto: 2005 745i
Generator Fault

So after a week of all kind of issues with the 7 (oil pressure switch leaking oil, expansion tank coolant tube blowing up) now the Generator light came on for a sec then went away. Not sure if it's probably caused by left over coolant that splashed all over the belts or my alternator going out. Hidden menu shows 14.0....
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  #2  
Old 12-10-2014, 09:02 AM
FlylowTX FlylowTX is offline
Fixed his own HPFP
Location: Dallas
 
Join Date: Apr 2013
Posts: 93
Mein Auto: '04 760li '01 750il Sport
Right before mine failed, sometimes it would show 14 volts and sometimes 12 volts. So the alternator was only working part-time.

See if the message keeps coming back.

If yours is starting to show the generator fault message frequently, its just a matter of time before it fails completely. The repair itself is not all that hard. I did mine in a couple hours.
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Last edited by FlylowTX; 12-10-2014 at 09:03 AM.
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  #3  
Old 12-11-2014, 10:48 PM
dylokjai dylokjai is offline
Registered User
Location: Orange County CA
 
Join Date: Nov 2006
Posts: 20
Mein Auto: 2005 745i
Do you have or know the diy?
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  #4  
Old 12-13-2014, 12:22 AM
gammodm gammodm is offline
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Location: Nashville
 
Join Date: Aug 2013
Posts: 69
Mein Auto: 2004 745i
Quote:
Originally Posted by dylokjai View Post
Do you have or know the diy?

There's one on YouTube, Diy e65
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