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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E65 / E66 (2002 - 2008)

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 08-23-2016, 03:38 AM
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Mr_Burger Mr_Burger is offline
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Location: England (south coast)
 
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Mein Auto: 2007 760Li
Calling All Transmission Experts :)

Hi
Recently I've been seeing some odd things with my tranny and I thought I'd ask here..

Observations:
Slipped a few times when accelerating during low speed (overtaking a cyclist for example) but stays in D.
Slipped out of D into P on one occasion from stationary when accelerating (turning at a junction).

These have only happened infrequently thus far with no dash errors, but while I was in a car park the other day I decided to straighten my car up between the parking bay lines and it did the following:

Started the car and put it in R, using only the foot brake reversed the car about 20ft.
Put the car in D and again using only the brake, moved forward slowly and observed an unpleasant clanking noise and loss of motion..Applied brake and an error appeared on the dash advising of a transmission error. Released brake and continued as normal and parked.

The error cleared only after allowing the car to enter it's sleep mode and I was unable to reproduce the error on the drive home later that day and haven't driven the car since.

The code reported was 4E89 (Solenoid 1 or 2 mechanically jammed)

The mechatronics was serviced by BMW 6 years ago (at 75,000 miles) and the following was replaced:
Drain Plug
Pan Gasket
Seal Sleeve
Adapter Grommet

It would appear the fluid was re-used (as I only have a 35 minute labour fee for ATF).

The original problem that time was the car was unable to access D or R..

Since that time, the car has only driven about 20,000 miles.

Does anyone think it's worth replacing the seals/fluid or is this more an issue with the solenoid(s) now.

Since the dash code, I have decided not to drive the car until I can get it up on the ramp and review the tranny model/serial etc in order to purchase the correct parts..
(even though realoem lists it as a GA6HP26Z Mechatronics)

I have seen metal pans with removable filters online, has anyone tried those?

Oh and can INPA offer any information about the solenoids and maybe used to determine if any are rogue?

Regards
Mr_B
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  #2  
Old 08-23-2016, 06:36 AM
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Rick in Yuma Rick in Yuma is offline
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Mein Auto: 05' 760li,94' H1,08'Smart
Mr B,
Glad to see you still have the 760. Sorry you're having trouble with the transmission. It looks like you've had transmission service correctly last time. Minus the fact they may have put the old fluid back in. However it has been six years. It probably would not be a bad idea to do it again. As far as the metal pan is concerned, from everything I've read here, it doesn't seem to be that beneficial. If the Germans thought it would be beneficial they would have engineered it into the car originally. But with BMW that's not always the case, sometimes they cut corners.

Since you're receiving the code for the solenoid most likely that's the culprit. I'm going to attach a few links that explain the transmission.

http://www.bimmerfest.com/forums/att...5&d=1460520414

http://www.bimmerfest.com/forums/att...7&d=1291335701

http://www.bimmerfest.com/forums/att...6&d=1460520414

http://www.bimmerfest.com/forums/sho...d.php?t=654634

http://www.bimmerfest.com/forums/sho...d.php?t=797772

You've been a member of the forum a long time, I'm sure you've seen these documents before.
Hope there some help to you. They were for me.

Cheers
Rick.
P.S have you seen this list I'm trying to get together. http://www.bimmerfest.com/forums/sho...d.php?t=925639 Please add your info. Thanks
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  #3  
Old 08-23-2016, 01:49 PM
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Mr_Burger Mr_Burger is offline
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Location: England (south coast)
 
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Mein Auto: 2007 760Li
Hi
Thanks for the links, yes I've become a bit of an authority on the workings of the tranny, but we'll see how that translates to the service

My thinking here is, if it's not the usual solenoids, seals or fluid, then someone else can look at it further without wasting my $$ on the aforementioned items..

If the valve body is shagged (which I would find hard to believe) then so be it..

Chances are, the BMW dealer that repaired the mechatronics last time probably did a half arsed job (especially as every other repair they did was a joke) so the fact it was serviced 20K ago probably means nada..

Regards
Mr_B
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  #4  
Old 08-23-2016, 05:33 PM
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Ltmax Ltmax is offline
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Every 6-8 years you should change the bridge adapter, mechatronic seal, filter, and as much fluid as you drain out in the process (6-8 quarts). These parts don't age well and absolutely need to be replaced.

Only takes 2-3 hours and a few hundred bucks and you should be good to go again.

Don't waste your money on uber expensive BMW fluid, Redline D6 ATF exceeds specs, mixes fine with the old stuff, is much better and way cheaper.

Last edited by Ltmax; 08-23-2016 at 05:34 PM.
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  #5  
Old 08-24-2016, 04:47 AM
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Mr_Burger Mr_Burger is offline
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Location: England (south coast)
 
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Ah, is D6 the latest buzz around here for the ZF then. Last I read it was Ford Mercon SP...

As for the job itself, is there any point getting Rheingold as I only have INPA after I lost a HDD a year back which had my Rheingold s/w on it (and I've never found a suitable source to re-download it )

Cheers

Mr_B
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  #6  
Old 08-24-2016, 04:55 AM
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Ltmax Ltmax is offline
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The Ford fluid may be compatible but isn't very good and doesn't stand up to the heat well so you won't be able to run it for extended intervals. If you plan on changing it every 30k miles it's fine.

Redline was started by drag racers who needed to find fluids that would stand up to the extreme heat and pressure of racing when nothing else on the market did. Everything they use is super high quality and much better than OE stuff.
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  #7  
Old 08-25-2016, 03:26 AM
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Mr_Burger Mr_Burger is offline
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Thanks for that

I will add it to the list of bits for the service..

Mr_B
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  #8  
Old 08-25-2016, 10:47 AM
01_530i_4me 01_530i_4me is offline
Finally got a 7 Series!
Location: Southern Cal
 
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Mein Auto: 2006 750Li Black/Black
Quote:
Originally Posted by Ltmax View Post
Every 6-8 years you should change the bridge adapter, mechatronic seal, filter, and as much fluid as you drain out in the process (6-8 quarts). These parts don't age well and absolutely need to be replaced.

Only takes 2-3 hours and a few hundred bucks and you should be good to go again.

Don't waste your money on uber expensive BMW fluid, Redline D6 ATF exceeds specs, mixes fine with the old stuff, is much better and way cheaper.
That Redline does not show E65/E66 as compatible.
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  #9  
Old 08-25-2016, 11:20 AM
TechFreak TechFreak is offline
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I'd stick to the 'Meyle ATF plus 6 Oil' if i were you .....


.
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Last edited by TechFreak; 08-30-2016 at 05:12 AM.
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  #10  
Old 08-25-2016, 12:51 PM
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Ltmax Ltmax is offline
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D4 and D6 are both compatible.
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  #11  
Old 08-29-2016, 12:54 AM
TechFreak TechFreak is offline
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If your changing the Adapters get your mechanic to clean and flush out the Mechatronics as there will be 'wear debris' in there......which may be the cause of the sticky solenoids.

Read this thread :

http://www.bimmerfest.com/forums/sho...d.php?t=839630

For parts in UK ...read post #14 in this thread :

http://www.bimmerfest.com/forums/sho...d.php?t=919593

Last edited by TechFreak; 08-29-2016 at 12:59 AM.
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  #12  
Old 08-30-2016, 03:49 AM
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Mr_Burger Mr_Burger is offline
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Location: England (south coast)
 
Join Date: Jul 2009
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Mein Auto: 2007 760Li
ok m8 will do

BTW, any more ideas on the software needed to reset the unit??

Can INPA do it or does anyone have a link to Rheingold?

Cheers
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  #13  
Old 09-07-2016, 05:22 PM
danielbej danielbej is offline
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Location: Montreal, Quebec, Canada
 
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Hi everyone,
I had some tranny issues and I brought my car to a guy who said he worked for BMW for 15 years... He seemed to know what he was talking about and had everything he needed (reighnold inpa etc.) So he said the seals in the valve body must be replaced as well as the transmission oil pan, the oil and the drive shaft flexible disc. My hood is stuck and he said I need new latches and cables too... Now he sent me some prices for the parts but they seem a bit too high... Can you guys tell me if it makes sense or they are really too high. Sorry I dont know anything about mechanics and I would appreciate any help.

Tranny pan 425
Valve body gasket 55
Tranny connector seal 30
Drive shaft flexible disc 275
Tranny oil 80
Hood latches and cables 175
Labour 300

He said its about 8h of labor
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  #14  
Old 09-07-2016, 05:35 PM
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Rick in Yuma Rick in Yuma is offline
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Location: Arizona
 
Join Date: Dec 2006
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Quote:
Originally Posted by danielbej View Post
Hi everyone,
I had some tranny issues and I brought my car to a guy who said he worked for BMW for 15 years... He seemed to know what he was talking about and had everything he needed (reighnold inpa etc.) So he said the seals in the valve body must be replaced as well as the transmission oil pan, the oil and the drive shaft flexible disc. My hood is stuck and he said I need new latches and cables too... Now he sent me some prices for the parts but they seem a bit too high... Can you guys tell me if it makes sense or they are really too high. Sorry I dont know anything about mechanics and I would appreciate any help.

Tranny pan 425
Valve body gasket 55
Tranny connector seal 30
Drive shaft flexible disc 275
Tranny oil 80
Hood latches and cables 175
Labour 300


He said its about 8h of labor
In my opinion I would find a new mechanic. Here's a link to some parts that you'll need. He's going to charge you $425 for an $80 to $125 pan.

http://www.eeuroparts.com/Parts/6104...Fchffgod7xkMyw

Finish your profile and put in your location and vehicle info. Someone may be able to suggest another mechanic to you. And without knowing your location it's very difficult to know if these prices are good or not. Some of our overseas members pay a fortune for parts. Whenever you want part prices check www.realoem.com. Prices are in the parts diagrams. These are BMW prices, not aftermarket. Usually they are on the high side.

Last edited by Rick in Yuma; 09-08-2016 at 06:11 AM.
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  #15  
Old 09-07-2016, 05:57 PM
danielbej danielbej is offline
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Location: Montreal, Quebec, Canada
 
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I live in Montreal, Canada
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  #16  
Old 09-07-2016, 06:17 PM
danielbej danielbej is offline
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And thanks for the info Rick in Yuma!
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  #17  
Old 09-08-2016, 06:14 AM
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Rick in Yuma Rick in Yuma is offline
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Quote:
Originally Posted by danielbej View Post
And thanks for the info Rick in Yuma!
Your welcome.

One other suggestion. If he is doing this on the side. See if you can purchase the parts and let him do the work. $300 for labor is not bad.
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  #18  
Old 09-08-2016, 07:13 AM
fratan fratan is online now
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Good Morning,

I'm in the process of pulling my mechtronics unit out of my 2006 750i with 170,000 miles. I have read that alot of the tranny issues has to do with the solenoids and seals going bad. At 100,000 miles the bridge seal adapter was replaced as well as the pan and oil. I recently had the tranny oil drained and refilled put still having banging and shifting problems. Has anyone sent out their mechtronics to ReVmax converters? $900 and they will rebuild it in 2 days.
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Old 09-11-2016, 06:53 AM
Motronic Motronic is offline
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Quote:
Originally Posted by fratan View Post
Good Morning,



I'm in the process of pulling my mechtronics unit out of my 2006 750i with 170,000 miles. I have read that alot of the tranny issues has to do with the solenoids and seals going bad. At 100,000 miles the bridge seal adapter was replaced as well as the pan and oil. I recently had the tranny oil drained and refilled put still having banging and shifting problems. Has anyone sent out their mechtronics to ReVmax converters? $900 and they will rebuild it in 2 days.

Revmax does it right with warranty! I saw awesome results
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Old 09-11-2016, 10:11 AM
fratan fratan is online now
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I have spoken with RevMax and the only thing is that they don't provide the TCM. Has anyone had a problem with their Transmission Control Midule after they replaced their Mechtronics?
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Old 09-12-2016, 09:29 AM
JCMech JCMech is offline
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Mr_Burger, Did you figure out the 4E89 SV1 SV2 error? I'm having the same code
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  #22  
Old 09-12-2016, 10:56 AM
fratan fratan is online now
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Calling All Transmission Experts :)

It would be nice to know if this is a valve body issue or a transmission gear issue like a couple of worn out parts.
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Old 09-12-2016, 12:31 PM
danielbej danielbej is offline
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Calling All Transmission Experts :)

Fratan,
The new mechanic that I'm seeing soon told me that this banging problem is due to worn: drive shaft flexible disc. He said that if I change this part + valve body gasket, tranny connector seal + new oil and pan it should be fine. He said the solenoids are okay and dont need to be replaced. This guy told me he worked for BMW for 15 years... I'm currently shopping for these parts and will bring the car to him for tranny maintenance

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Last edited by danielbej; 09-12-2016 at 08:23 PM.
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  #24  
Old 09-17-2016, 10:25 PM
745ikindaguy 745ikindaguy is offline
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Mein Auto: 2002 745i
hello all I am also curious about revmax rebuilding my valve body . can someone explain if I were to buy a used transmission for my vehicle how I would get it to work if the mechatronics tcm is coded to another vehicle is there a way to buy a used mechatronics and code it to my vin and vehicle using software I am getting desperate as keep having little issues with my car that are turning into a huge one and have considered replacing the transmission and engine when they go out as I have found valve seals job with air injection issue amounts to as much as I can buy a used engine for and mechatronics malfunction with shifting issues and torque converter problems also warrants a refurbished tranny I do see several transmissions and engines for our vehicles and can do the mechanical work but I'm worried about how I could possibly get another engine or transmission to work I have a 745i 02 and I really love it enough to buy the parts I'm just scared if I pay thousands for tcc and tcm replacement that the hard parts will go shortly after and leave me with a useless mechatronics as it cant be used with another tranny to my understanding I really could use some help before I do bad things to my wallet lol I really love this car and want to keep it and it does run fine but I want to slowly replace aging components as they need to be changed for reliability issues as I live hours in the dessert and any trip for me is usually hours and I cant afford to get stuck hours in the middle of the dessert the tow bill alone would be as much as a new unit lol
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  #25  
Old 09-18-2016, 04:22 PM
fratan fratan is online now
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Their is a California company that sells an excellent valve body and TCM for 1500. I would go that route. The company is the CTSC and the contact is Klaus. I'm looking at less expensive alternatives right now but may go this route.
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