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E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 09-13-2016, 07:23 AM
abqhudson abqhudson is offline
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Location: Albuquerque, NM
 
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Mein Auto: 07 530, 02 530
Transmission problem

2006 5 series sedan - belongs to an acquaintance - says stuck in third gear. Dealer says it needs megatronic at a cost of $6000. which she doesn't have. Is there any hope/recommendation? Thanks for any advice.
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  #2  
Old 09-13-2016, 07:53 AM
rvsixer rvsixer is offline
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Mein Auto: E60 530i
Sounds to me as if it is in "limp home" mode. Needs to be reset and troubleshot properly. $6K for a Mechatronics change seems high, too.
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  #3  
Old 09-14-2016, 07:52 PM
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banglenot banglenot is offline
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Mechatronics can be bought for $1500 retail, and installed in 2 hours ($250) with new fluid for ($120), parts thectsc.com.

$6K is what you'd pay for a new transmission.

You're getting ripped off.
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  #4  
Old 09-16-2016, 10:48 AM
Bud B Bud B is offline
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Mein Auto: 2006 - 530i
Howdy,

Check out this post, almost everything you want to know about the ZF transmission valve body aka Mechtronics Unit...

http://www.bimmerfest.com/forums/sho...ht=mechtronics

I have had the 2-1 Shift down problem with my '06 530i and then I got the error that states my transmission can be shifted into gear without pressing the brake.
If you do a search (Upper right on the previous page that lists all of the posts) you will see numerous posts about BMW Transmission problems.

Bottom line is that it all comes down to removing the Mechtronics unit aka valve body
and replacing the 8 solenoids and a seal.
If you really want to get into the valve body you can actually separate it and replace the tiny "O" rings inside.
Replace a seal at the electrical connection to Mechtronics unit put on a new transmission pan with filter and fill with fresh fluid.
Solenoids at CSI is about $450.00, Fluid and pan $500.00 so for about $1,000.00 you can do it.
This repairs 99% of BMW transmission problems.

I have discovered here and elsewhere that the BMW ZF transmissions main body is built like a tank and rarely is a transmission problem related to gears or anything other than the valve body.

I have a local Independent BMW / Audi Etc repair facility that told me they will do this repair for about $1300.00 and that yes they do it a lot and it is my valve body.

Good luck with yours,

Bud
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  #5  
Old 09-16-2016, 10:52 AM
Bud B Bud B is offline
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The above response was a part of this thread....

Link: http://www.bimmerfest.com/forums/sho...724&highlight=

Bud B
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  #6  
Old 09-17-2016, 09:46 PM
BostonJon BostonJon is offline
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Location: Boston, MA
 
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Mein Auto: 2007 E61
Quote:
Originally Posted by Bud B View Post
Howdy,

Solenoids at CSI is about $450.00, Fluid and pan $500.00 so for about $1,000.00 you can do it.
This repairs 99% of BMW transmission problems.
Fluid and pan shouldn't be that much unless you insist on OE parts.
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  #7  
Old 09-18-2016, 09:05 AM
ggal625 ggal625 is offline
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Mein Auto: 2006 530xiT
European Transmissions, North of Atlanta, is currently advertising rebuilt BMW mechatronics for $985. Last year I had mine rebuilt by them for $1500 and it's still working great.

http://europeantransmissionscom.x-shops.com

I've said this before but I'll say it again. Many transmission problems are caused by worn out valves in the valve body not by bad solenoids. Randomly replacing all solenoids without testing any of them will absolutely not fix 99% of all transmission problems.

Just look at this diagram from Sonnax to understand how many fluid pathways are inside this thing. Solenoids can go bad, but by the time they do your valvebody has likely got wear in multiple locations. Mine did.

http://d2q1ebiag300ih.cloudfront.net...f?v=1460464444

Call Eurotrans or CTSC (http://www.thectsc.com) and ask them for a transmission shop in your area that they've dealt with before. A transmission shop can pull the valvebody, send it to one of these guys to be rebuilt, and then reinstall.
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So I just bought an E61...
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  #8  
Old 09-18-2016, 10:40 AM
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banglenot banglenot is offline
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Quote:
Originally Posted by ggal625 View Post
European Transmissions, North of Atlanta, is currently advertising rebuilt BMW mechatronics for $985. Last year I had mine rebuilt by them for $1500 and it's still working great.

http://europeantransmissionscom.x-shops.com

I've said this before but I'll say it again. Many transmission problems are caused by worn out valves in the valve body not by bad solenoids. Randomly replacing all solenoids without testing any of them will absolutely not fix 99% of all transmission problems.

Just look at this diagram from Sonnax to understand how many fluid pathways are inside this thing. Solenoids can go bad, but by the time they do your valvebody has likely got wear in multiple locations. Mine did.

http://d2q1ebiag300ih.cloudfront.net...f?v=1460464444

Call Eurotrans or CTSC (http://www.thectsc.com) and ask them for a transmission shop in your area that they've dealt with before. A transmission shop can pull the valvebody, send it to one of these guys to be rebuilt, and then reinstall.
Agreed. I was making the point that the $6K was a ripoff, but I absolutely agree with the send it to a shop for full test and rebuild if circumstances permit. If mine goes, that's the plan. BTW, thanks for posting the link to the tranny shop -- it can be hard for non-tranny specialists to find the ones that can do the job.
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