Well i found a Australian workshop that specially deal with BMW/ZF Transmission.. and only use ZF/Genuine oil.. so im happy to say.. i'll be going to them to service my Automatic transmission.. since its such a tempermental "should or should'nt case"
If anything were to stuff up after the service they can give me a bloody give me a fresh Transmission.. so i wont be complaining.
The site is.
http://www.abautomatics.com.au/