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Old 11-30-2012, 03:23 AM
vavet5308 vavet5308 is offline
NADAVAN
Location: Mechanicsville, VA
 
Join Date: Dec 2005
Posts: 503
Mein Auto: 2002 525it
This is interesting. Good detective work there.

I think this is the the ZF 5HP19 transmission. If so, here's a page out of the manual that shows the parts numbers for others to reference.

I'm a little unclear on what you're telling us. I think what you're telling us is that the piston wears out the bore, which also wears the piston. The fluid is eventually able to bypass the piston. This causes the transmission failure. The solution to this is to replace the piston. Is that the essence of this?
Attached Files
File Type: pdf 5HP19-zf.pdf (62.5 KB, 383 views)
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