Even ZF does it that way.
But yeah. Do you buddy.
https://www.zf.com/japan/en_jp/corpo...hange_oil.html

Also, I couldn't source a new gasket and more importantly a new filter for the steel pan that was on mine, and I knew 100% the tranny was serviced before, so I put a plastic one one that came with gasket and filter, and I filled mine from the side, I have no issues.


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Black on cream 04 4.8iS
Black on black 330i ZHP auto
Imola on black 01 M3