Dont bother with xhp. In 2018 they said end Of 2018 in 2019 they said (Spring) said end Of year and when I asked at the end Of 2019. Another e-mail Spring 2020.
Same gearbox zf8hp50 in other cars. IT sens they cant realase anything.
Currently I am running stage trans tune From Mission performance with my 540i g30 and its ok.
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