Or maybe just organize a kind of survey from the forum member:
Question to all member who did flush transmission : how many got a fail transmission after the changed and how many went all good ?...adding some specific like : DYI or shop ? Milage ? Which oil Evaluation after 3kmiles...if we don't do something like this i.e get some stats ...this subject will last forever ...

__________________
2006 X5 4.4i premium, Sport package ,Winter Package, Sat Nav. AFE Power stage II Production : 08-2006
2012 BMW 128I Convertible Black
2011 Mercedes Benz B200 sold