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-   -   Transmission Leak (http://www.bimmerfest.com/forums/showthread.php?t=507599)

Docboy78 12-22-2010 09:19 PM

Transmission Leak
 
I recently noticed a leak in my transmission and wanted to investigate where the source can be located. It isn't coming from the bottom seal, I know that for certain. Can anyone direct me to a diagram of the transmission for a 2005 645ci? Has anyone else had this issue before?

hipertec 12-27-2010 09:00 PM

yes, its a cracked transmission pan. typically where the bolt is holding the pan. its made of plastic. its like a hairline crack, cant even see it until you lift the car up. A piece of crap since mine and a few others had to replace. Get ready to spend 800-1000 for replacement.

Jagular 01-27-2011 02:24 PM

I'm doing mine for $433.28, not $800 to $1000. How? Glad you asked:

I bought the OEM oil pan replacement kit from eBay. Either search for part number 24117571227 or BMW transmission pan; there will be many models that have the 4.4 or 4.8 litre pan available, including gaskets, filter, etc. I chose to stick with OEM even though it cost more than the knockoffs. Cost? $185.12 shipped. Purchase 5 quarts Red Line Synthetic D4 ATF, $58.17. Take it to Aamco. The labor quoted locally is $189.99. They are cool if I supply the parts/fluid and they warranty their work but not the parts, obviously. Total? $433.28 including shipping.

Jagular 03-06-2011 05:33 PM

Wanted to follow up on this. After discussing the Red Line D4 ATF option with a few folks, I decided to go with the standard Shell M-1375.4 instead, costlier but needed for the ZF transmission.

BeastMW 06-02-2012 11:58 AM

No DIY for this issue?

Yorgi 06-03-2012 09:39 AM

It looks easy enough, here are the TIS instructions.

daf290 11-24-2012 07:09 PM

Check ATF flluid level
 
Can anyone confirm the procedure to check the ATF fluid level?
I have read the TIS and have attempted to complete the fluid level check but I am not certain that I have located the correct plug to remove and fill. Is it located on the left front?
On the TIS, it looks like it is in the rear but I only find a plug with removal by a hex head on the left front up almost half way on the trans case.
Is this the correct plug?

OUalacra 02-12-2013 07:09 AM

transmission pan bolts
 
Does the TIS instructions for oil pan replacement say anything about providing new bolts? A tech told me the pan bolts are one time use only.

Chesterhoss 04-01-2013 05:15 PM

Hey guys, just wanted to give ya a heads up I got the same thing goin on and I found these:
http://www.ecstuning.com/BMW-E63-645...ion/ES2523912/

http://www.ecstuning.com/BMW-E63-645...ion/ES2523911/

I myself am probably gonna go with the shell fluid and do it myself (doesnt look too difficult). any cautions or warnings before I jump in?

dsanders 04-11-2013 06:23 AM

Hello; I am currently having problems with my 6 as well. I took it in to the dealership and they informed me that I have some leaks one being having A transmission sealing sleeve replace as well as a upper timing case cover replace... Pricey!

dolfan13 04-11-2013 06:35 AM

50k miles with redline so far.


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