Still can not.
To my knowledge, only 2 ways to get it fit.
1. Cut the steering wheel shaft (cheaper alternative).
2. Change the steering colomn or can say whole steering system.
Even if the steering finally fit, the multifunction still a question mark. U have to dismantle the whole dashboard to run the cable. This is what i know when i try to fit the previous M steering to my e39. Dont know your e39 come with the ready cable or not, but mine definitely don't have.
Many PFL e39 owners (include oversea forum) are dreaming to fit the paddle shift multifunction dual system steering and maintain the proper functions in their car but none of them prove that this is workable and show the picture, all are talk cock only. Unless u are really ready to spend the money then there is a way when u want, Malaysia Boleh!