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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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  #1  
Old 12-04-2016, 12:10 AM
Pharmacistooo Pharmacistooo is offline
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Location: Jordan
 
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Mein Auto: BMW e66 740 2006
2006 740li E66 - problem in the power module

hi there
after loooooong searching i think there is a problem in the power module ( 2006 740 li e66) there was battery drainage , seat control not working , comfort accesses out of service , car not reaching sleep mode ,and other crazy thing the car doing massage error ( power module failure )tested at a workshop with icom the whole cluster under CAS is red and not responding , tried changing the battery and registering it but nothing changed ( i think even they couldn't register the new battery because the power module is not responding) and they suggested to change both left and right front doors locks as they think its the reason for the drainage .
the massage ( power module Failure means there is no signal from the module ) so its not communicating with the car network ( K-CAN-P).
so is it a power module issue or something else and how i can test this power module
Thanks
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  #2  
Old 12-05-2016, 10:39 AM
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tim330i tim330i is offline
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Mein Auto: Ti Silver 03 M3
Welcome to Bimmerfest. I moved your question to our 7 Series forum, you'll get more help in here. Have you had the alternator tested?

Tim
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Old 12-05-2016, 10:50 PM
Pharmacistooo Pharmacistooo is offline
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Mein Auto: BMW e66 740 2006
Thanks dear , actually according to the system voltage while the engine is on the alternator is fine (around 14 V ).
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Old 12-05-2016, 11:46 PM
Pharmacistooo Pharmacistooo is offline
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Mein Auto: BMW e66 740 2006
the picture attached shows the issue with the modules related to the power module .
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