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Old 10-16-2012, 05:36 AM
bimmerfan52 bimmerfan52 is offline
Officially Welcomed to the 'Fest
Location: Arizona
Join Date: Feb 2012
Posts: 1,255
Mein Auto: 545i
Originally Posted by kskane View Post
Found a good deal on ZF liquid gold and will be using that. Do you think it was under filled since only 5.5L came out?
Not necessarily. Depends how long you let it drain.

You mentioned that the pan was dropped before (pan screws were stripped by a mechanic) but do you know that new fluid was used? Standard practice at many dealerships is to save fluid drained out prior to gasket or sleeve replacement and then put the old fluid back into the sump.

One drain will give you about 55% new fluid. Two drains about 90%. Yes you are trying to correct the solenoid issue but IMHO saving the transmission from future repairs is more important.

While the solenoid issue is annoying I wouldn't call it a serious problem that either inhibits the operation of the car or causes a serious safety issue.
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