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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 04-14-2017, 08:21 AM
Fred BMW 760il Fred BMW 760il is offline
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Location: Billericay
 
Join Date: Apr 2017
Posts: 2
Mein Auto: E66 760il Individual
E66 760il gearbox jumping in/out of gear

Hi. I have a BMW 2006 E66 760il Individual. I have had this for 5 1/2 years and it been beautiful. About 4 weeks ago I started to get a delay in acceleration and then a loud bang from rear of car and then it would drop into gear and speed up. It now intermittently jumps in and out of drive to neutral at various speeds or just loses power and then I release accelerator and then re apply and all is well???. BMW Southend could not find the problem on their computer diagnostic as it only happens when in drive intermittently. It costs 200 per hour for diagnostics and they say it could take 1 hour or 10 hours or more. They suggested a new gearbox at 7000. Seems a bit drastic as car is only worth around 6 K at the moment.

Can any one help me ? any advice would be helpful from anyone who has experienced this issue. Thank you.

Fred Sharman
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Old 04-14-2017, 08:32 AM
TechFreak TechFreak is offline
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Location: Scotland
 
Join Date: Aug 2009
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Mein Auto: AC Schnitzer 745i Sport
Mechatronic Adapter Seals need replaced ...very common problem...
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Old 04-14-2017, 09:04 AM
Fred BMW 760il Fred BMW 760il is offline
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Location: Billericay
 
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Mein Auto: E66 760il Individual
Hi Thank you for your advice and help.
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  #4  
Old 04-15-2017, 01:12 PM
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Mr_Burger Mr_Burger is offline
2007 760Li User
Location: England (south coast)
 
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Posts: 959
Mein Auto: 2007 760Li
Unless you've got the same problem I have...

http://www.bimmerfest.com/forums/sho...d.php?t=927536

If you check out the videos at the end of the thread, you'll find some very obvious things to check that even BMW cannot work out 'cost effectively'.

For that reason, although the car is perfect if driven with no moderate/high acceleration, it is destined to be declared SORN at the end of the month.

Just an example of a complex car that BMW mechanics have no clue about when the computer diagnostics fail to help
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