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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 03-23-2017, 09:46 AM
DanielAlva6 DanielAlva6 is offline
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Location: Phoenix
 
Join Date: Mar 2017
Posts: 2
Mein Auto: 2006 BMW 750Li
06 bmw 750li time gears, rough idle!

Just bought a 750li with 202k miles, I got it for dirt cheap but the guy told me the time gears are off..? I don't have slightest idea of what that is, the car idles really bad and makes nasty ticking sound.. is the head cracked? Or could it be what he says it is? I'm gonna upload video on YouTube to show everyone.
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Old 03-23-2017, 10:09 AM
DanielAlva6 DanielAlva6 is offline
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Mein Auto: 2006 BMW 750Li
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Old 03-25-2017, 04:54 AM
Datrojan Datrojan is offline
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Location: Los Angeles
 
Join Date: Oct 2009
Posts: 62
Mein Auto: 750Li
Do you get white smoke after the car sits for a while?
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Old 03-25-2017, 06:05 AM
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Ltmax Ltmax is offline
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Location: Jacksonville, FL
 
Join Date: Feb 2012
Posts: 504
Mein Auto: 2008 750l
Could be talking about the timing chain having slop in it from stretch and the plastic timing chain guides tend to break after high miles (or running low on oil will cause the plastic guides to overheat and crack) and then the chain has too much slack in it and causes all sorts of problems and sets timing error codes for both the left and right banks.

Not a cheap or easy repair as the entire front of the engine has to come apart to fix.
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