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7 Series - E65 / E66 (2002 - 2008)
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  #226  
Old 01-03-2013, 01:33 PM
bk750 bk750 is offline
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Location: brooklyn new york
 
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Mein Auto: 2007 750 li
nagelmotox

My car is at the dealer they going to check my transmission. Looks like they will put a new one.. And The broken L7 in on the car they need it installed just to run all the software stuff after the tranny install because to mostbus wont work with out the logic 7. They also going to check my L7 and ask . What did they do to your L7
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  #227  
Old 01-15-2013, 07:39 AM
ISIS27 ISIS27 is offline
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Mein Auto: 2006 750Li
its been happening to me for a few months now and BMW says they cant duplicate it so they cant do anything, well the car finally threw a fault code. There are many possiblities of what this can be but the ultimate fix is get the tranny replaced, rebuilding it would be even better and cheaper. Rebuilding it will allow for certain parts of the trans to be upgraded while in there at the same cost. If you get a new tranny your basically getting exactly what you had before and you can expect the same issues after about 50-70k miles. Mines currently in the shop... I miss it!
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  #228  
Old 01-15-2013, 08:17 AM
bk750 bk750 is offline
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Location: brooklyn new york
 
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Mein Auto: 2007 750 li
I got my car back from the dealership , brand new tranny installed car runs great now. You need to put the car on sport mode then back on drive sometimes that will trigger the slip n slam. The software up grade does nothing. Now im trying to get my money back for the software upgrade.. Try a different dealer
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  #229  
Old 01-15-2013, 08:40 AM
SFbay SFbay is offline
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Mein Auto: BMW 745i
Quote:
Originally Posted by ISIS27 View Post
its been happening to me for a few months now and BMW says they cant duplicate it so they cant do anything, well the car finally threw a fault code. There are many possiblities of what this can be but the ultimate fix is get the tranny replaced, rebuilding it would be even better and cheaper. Rebuilding it will allow for certain parts of the trans to be upgraded while in there at the same cost. If you get a new tranny your basically getting exactly what you had before and you can expect the same issues after about 50-70k miles. Mines currently in the shop... I miss it!
Simply replace 20$ mechatronik adapter and your car will be back to life.
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  #230  
Old 01-15-2013, 09:26 AM
nagelmotox nagelmotox is offline
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Location: CA
 
Join Date: Jun 2011
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Mein Auto: 07 BMW 750i
Whats the transmission upgrade cost? My bmw dealer said they couldnt see anything wrong and did a software update. I havent noticed it happen lately but not to say thats the fix since ive been driving in manual mode a lot.
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  #231  
Old 04-21-2013, 05:47 PM
skipton skipton is offline
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Location: United States
 
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Mein Auto: e65
Fixed my slip and slam transmission. The $12 seal adapter was split. BMW PUMA said I needed a new transmission. As reported here the transmission oil look terrible at 100,000 miles. I would recommend changing at 60 to 80,000 miles. BMW should be ashamed.
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  #232  
Old 04-22-2013, 09:16 AM
Jim Murdoch Jim Murdoch is offline
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Mein Auto: 745 bmw
Can anyone help me with a great repair shop in Naples Fl?
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  #233  
Old 04-22-2013, 10:20 PM
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B7M4W5 B7M4W5 is offline
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Mein Auto: BMW 745LI
Check your trans fluid could be low filter may need to be replace n flui

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  #234  
Old 06-23-2013, 04:32 PM
fratan fratan is offline
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I doubt that your having a catastrophic transmission issue to cause a tranny replacement. The dealers love to swap out mechatronics and tranny's especially if it is under manufacturers warranty. The BMW has the best ZF transmission that monry can buy. Replace the bridge seal adapter between the mechatronics and tranny, reset adaptations, and drive in manual for a day or to but when you drive in manual make sure you shift it at 2 rpms and start off in 2.
My 2006 750 I had the worst slamming then anyone. The car shifts like butter now. Car has 121,000 new bridge seal adapter, tranny fluid, and guibo joint. Reset adaptations twice because the first time wasn't correct. The second time I was very careful shifting the car between gears.
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Last edited by fratan; 06-24-2013 at 07:13 AM. Reason: rephrase
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  #235  
Old 06-25-2013, 11:11 PM
NOMADIC1 NOMADIC1 is offline
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Mein Auto: 750Li
worked for a couple days....slam - bang - slip.....

Quote:
Originally Posted by NOMADIC1 View Post
OK - found this post here in the forum.....and fixed my transmission shifting issues in 5 min!!!!! Seriously.... Danny is the man!

Here is the link to the original post - you can see what others have said - I pasted the instructions below as well...

http://www.bimmerfest.com/forums/sho...d.php?t=195020

______________

Hi All,

Has anyone tried this on their 2006/2007 5/6/7 Series:

Insert the Key to into the key fob (DON'T HOLD THE BRAKE).
Press the Start Button ONCE, just so the car electronics start and show the Engine light is on. (Again, Don't START the Engine).
Press and HOLD the GAS PEDAL all the way to the force down click on the gas pedal for 25 seconds.
After those 25 Seconds, proceed to Starting the Engine and drive your car.

Now, do you notice that the car responds better and shifts better, or is this just me????

I know, that in some Audi cars, you can reset the transmissions learning algorithm by doing this. Those with ZF tranny's.

Thanks

Danny Z

_____________


Unreal....


I'll post back if the problems return - but what a change!
Starting to hate this car. Going to do the guibo and seal...
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  #236  
Old 08-24-2013, 09:06 PM
Rabadi420 Rabadi420 is offline
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Location: New Mexico
 
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Mein Auto: 2007 bmw 750
I have a 2007 bmw 750

I read your advice and I'm going to try it out now . Ill let you know if it helps.
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  #237  
Old 08-24-2013, 09:27 PM
NOMADIC1 NOMADIC1 is offline
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Location: Missouri
 
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Yeah - well....

As I said - seems to help - but is no fix at all. Still have the Slip and slam. The reset seems to help with the shifting for maybe a few kilometers and then the problems just persists. My further research has determined that the basic problem seems to be a pressure loss within the transmission. From what I understand this is due to a seal that needs to be replaced. Once I figure out exactly what the seal was called I will post here the information I discover.
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  #238  
Old 11-22-2013, 06:58 AM
1Marcus 1Marcus is offline
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Mein Auto: 750li 06
Re: 750i transmission slips and slams

I Have a 750li 06 same problem, only acts up in sport mode but starting to get on my nerves. Can any good bmw mechanic do the job? And how much can I expect to pay?

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  #239  
Old 11-22-2013, 10:38 AM
fratan fratan is offline
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Mein Auto: 2006 750i
I wanted to give everyone an update since I have 127,000 miles on my 2006 750i. Over the past 2 years I have replaced the quibo joint, the bridge seal adapter, a transmission fluid change and the slipping and banging has for the most part has disappeared. On a few occasions, I still get an occasional bang but it is rare. I usually reset the transmission once very couple of weeks and the tranny seems to shift smoother. My mechanic seems to think that the issue is probably a sticky solenoid in the mechatronics. If you want to fix the mechatronics, Wilson has some great info on how to do it. At this point, I can live with an occasional bang since it has improved 100% and I don't think it is worth putting more money into an occasional bang. If it gets worse, I'll try and fix the solenoids or replace the mechatronics but that will be down the road. First, replace your guibo joint and that will fix most of the banging.
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  #240  
Old 01-09-2014, 07:58 AM
Stompkin Stompkin is offline
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Location: Missouri
 
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Mein Auto: 2006 750i
Wanted to share what I recently changed. The Bridge Seal Adapter is what I suspected after reading this thread. I decided not to try replacing it myself, so I took it to the dealer (Baron) and they replaced the $16 part for $800. I asked them to save my old part, and sure enough, it was broken in two places (see attached). Haven't had the issue ever since, however I still find myself babying it!

 photo IMG_1910_zpsc551ea2f.jpg
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  #241  
Old 01-09-2014, 08:14 AM
fratan fratan is offline
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$800.00 seems like larceny to me. My son did the change in an hour. I would find another Indy shop. The bridge seal adapter gets brittle and we've replaced them on both our 7's.
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  #242  
Old 01-09-2014, 09:11 AM
Stompkin Stompkin is offline
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Location: Missouri
 
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Mein Auto: 2006 750i
I agree, it was pure robbery. I wanted to attempt the job myself, but don't exactly have the best setup to do it. At least it wasn't the $12K (tranny replacement) the dealer told me it was, as he argued this part was not causing the issue.
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  #243  
Old 01-09-2014, 10:07 AM
fratan fratan is offline
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The $ 12,000 was to replace the Mechronic's (Valve Body) but the adapter should have been between $200-$300.00 tops. These BMW's can be fixed by most decent mechanics that have a scan tool. I would look around for another mechanic. All they had to do is get in between the transmission and mechtronic's to replace the adapter which is less than an hour.
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  #244  
Old 01-12-2014, 03:31 PM
fratan fratan is offline
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Spoke to my son about the bridge seal adapter work that he did on our 7's. He said that it is a 3 to 4 hour job not an hour job that I mentioned. 800 is high but not ridiculous like some other posts.


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  #245  
Old 01-19-2014, 08:59 AM
Nazab Nazab is offline
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Exclamation

Quote:
Originally Posted by mkgilroy View Post
I have a 2006 750li with the same transmission issues everyone is posting about. I have been to the dealer several times regarding this issue, each time they replace something but I still have the hesitation / shudder when accelerating and at times the car does nothing when I step on the gas as if it’s confused. When I put it in sport mode the shift from 2nd to 3rd throws my head back. Is there a fix, does replacing the transmission work or does it return to the same behavior within time? My warranty is up next month and I need some direction. Do I keep taking it back to the dealer “Roseville BMW” or do I contact BMW directly? This is my 5th BMW and I’m starting to think I made a big mistake.
Mine is 2007 750Li and I exactly have the same problem when on sport mode and under slow acceleration the shift from 2 to 3 is hard as if the car suddenly jumps ... However under hard acceleration it shifts quite smooth and fine .
Have you reached a cure for this problem ?
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  #246  
Old 01-21-2014, 03:57 PM
fratan fratan is offline
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It's 90% ok so I'm not touching the mechatronics right now. The issue probably lies in there.
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  #247  
Old 01-28-2014, 02:24 PM
allblk allblk is offline
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Mein Auto: 2006 750LI
Very simple fix

You just need some fluid,when the fluid gets low the car will do this it happened to me i thought i needed a tranny---took to my indy he replaced transmission filter added fluid no problems.....out of the 100 plus modules/snesors in this car there is one that the car doesnt have is a low transmission fluid sensor..because it supposed to be lifetime fluid but there is no such thing....2006 750li michigan blue metallic
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  #248  
Old 01-28-2014, 07:17 PM
fratan fratan is offline
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Set 1 is to add more fluid or if you can do a tranny oil change with a new pan and filter.
If your not that lucky, step 2 is to replace the bridge seal adapter which fixes a lot of issues or the mechtronic sleeve. If you have the money, a new mechtroic or valve body will fix usually fix most tranny problems.
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  #249  
Old 04-17-2014, 05:28 PM
chamboko chamboko is online now
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Location: Ohio
 
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Mein Auto: 2006 BMW 750 LI
I have a similar issue, as I take off, when the car hits the 4th gear, it jerks as if someone rear-ended me and the transmission fault, drive moderately error comes on. I have replaced the guibo, the mechantronic adapter seal, the sealing sleeve, replaced the tranny fluid ( 6 quartz of m 1375.4 automatic transmission fluid from bmw) and I reset adaptations with inpa.

I scanned the car got these codes which I have narrowed down to this:

4F85 - Ratio monitoring clutch e
4F89 - Ratio monitoring gear shift 3-4
17E8 - ??? I dont know what this one is

Am I correct on these codes?

I have driven the car in manual mode changing gears every 2k rpm but when I get to M4 the car jerks and the transmission fault drive moderately error comes up. Even if I try to skip over quick to # 5 it still jerks

I have read about solenoids from mechantronic DIY's here from Wilson and other members but I can't narrow it down to which solenoid(s) or is there anything else I should be looking at.. HELP
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  #250  
Old 04-17-2014, 06:04 PM
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PAPER PAPER is online now
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Quote:
Originally Posted by chamboko View Post
I have a similar issue, as I take off, when the car hits the 4th gear, it jerks as if someone rear-ended me and the transmission fault, drive moderately error comes on. I have replaced the guibo, the mechantronic adapter seal, the sealing sleeve, replaced the tranny fluid ( 6 quartz of m 1375.4 automatic transmission fluid from bmw) and I reset adaptations with inpa.

I scanned the car got these codes which I have narrowed down to this:

4F85 - Ratio monitoring clutch e
4F89 - Ratio monitoring gear shift 3-4
17E8 - ??? I dont know what this one is

Am I correct on these codes?

I have driven the car in manual mode changing gears every 2k rpm but when I get to M4 the car jerks and the transmission fault drive moderately error comes up. Even if I try to skip over quick to # 5 it still jerks

I have read about solenoids from mechantronic DIY's here from Wilson and other members but I can't narrow it down to which solenoid(s) or is there anything else I should be looking at.. HELP


The transmission takes more then 6 quarts , you are probably to low on fluid ...
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