The oil for the turbo have to be pressuring in order to deliver it. It is planned to be sourced from the oil pressure switch location. The oil pressure switch has a size of M12X1,5 (BMW N42B20) so a appropriate adapter was bought.

The item is from LMA, bought through Demon Tweaks of UK, it has female and male M12X1,5 fitting and 1/8 NPT port on the side