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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - F01 / F02 (2009 - current)

7 Series - F01 / F02 (2009 - current)
The new re-designed 7 series F01 / F02 leads off the BMW Fxx chassis code!

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  #1  
Old 02-08-2013, 10:38 AM
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wjjklj wjjklj is offline
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Transmission "clunk"

My transmission has a very bad downshift from 2-1 especially in sport + mode. Does the same trick we used on the E65/E66 holding the gas pedal down for 25 seconds with key in the ignition reset the transmission adaptation values work on the F01/F02?
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  #2  
Old 02-08-2013, 11:04 AM
Tuesday Tuesday is offline
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Yes this adaptation reset does work on the F01 (temporarily), but if you're under warranty I'd pressure the dealer to really examine it. I had a similar issue and it turned out to be a bad mechatronics unit. Replaced under warranty.
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Old 02-08-2013, 01:57 PM
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wjjklj wjjklj is offline
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Originally Posted by itschase View Post
Yes this adaptation reset does work on the F01 (temporarily), but if you're under warranty I'd pressure the dealer to really examine it. I had a similar issue and it turned out to be a bad mechatronics unit. Replaced under warranty.
Ok it is going in to the dealer for a full inspection next week. Thanks.
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Old 02-09-2013, 05:20 PM
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Ouch already huh?? dont feel bad my mechtronics went bad at 25k miles.
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Old 02-09-2013, 05:52 PM
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Quote:
Originally Posted by itschase View Post
I had a similar issue and it turned out to be a bad mechatronics unit. Replaced under warranty.
Quote:
Originally Posted by 1bad540 View Post
dont feel bad my mechtronics went bad at 25k miles.
What is "mechatronics", what does it do, where is it located and how big of a job is its replacement?

Last edited by dbs600; 02-09-2013 at 08:58 PM.
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Old 02-09-2013, 07:29 PM
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Mechatronics is a part of the transmission - Mechanical-Electronics. It's an advanced way of controlling the transmission. It's located at the bottom of the transmission.

http://www.realoem.com/bmw/showparts...13&hg=24&fg=15
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Old 02-09-2013, 09:00 PM
dbs600 dbs600 is offline
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Thanks.
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  #8  
Old 02-10-2013, 08:42 AM
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Originally Posted by 1bad540 View Post
Ouch already huh?? dont feel bad my mechtronics went bad at 25k miles.
Yeah looks like new design has many of same problems but I still love the car!
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Old 02-10-2013, 05:14 PM
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Originally Posted by wjjklj View Post
Yeah looks like new design has many of same problems but I still love the car!
The FO1/02 use the same 6spd ZF transmission as the E65/66 and plus the cars have more power. I'm not surprised to see more posts about this...
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Old 02-12-2013, 11:17 AM
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Originally Posted by csmeance View Post
The FO1/02 use the same 6spd ZF transmission as the E65/66 and plus the cars have more power. I'm not surprised to see more posts about this...
Agreed - trans was not updated until 2013 for all F01 except for the 760 which I believe got the 8 speed in 2010
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