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Old 12-08-2010, 12:53 AM
kjsgadh kjsgadh is offline
Registered User
Location: Burke, VA
 
Join Date: May 2010
Posts: 10
Mein Auto: 2001 330i
moiz21,

please refer to the images below.

GM Transmission - http://www.realoem.com/bmw/diagrams/u/v/54.png

ZF Transmission - http://www.realoem.com/bmw/diagrams/e/e/25.png

The lines I am referring to are parts 4 and 5. The are connected to the heat exchanger, which cools the fluid.

Alex,

I thought about that, but I was skeptical about draining the fluid from the pan, and then starting the car. Wouldn't that starve the fluid pump? I am not sure how exactly the fluid is pumped around in the trans. Is it a pump with vanes, or some other kind of vacuum suction system. Also, I was a little concerned that the fluid may flow too fast if I used the trans pump itself, didn't wanna make a mess.

Although I am doubtful if any hand operated pump would be able to create enough pressure to completely circulate through all the nooks and crannies of the valve body.

I also read up about the types of failures and recently ran into the ZF rebuild thread. It gave me a lot of relief to see that.

BTW, has anyone heard of/used the BG Universal ATF? Experiences?

Thanks a lot guys.

--Kiran.
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