Must admit always wanted an S85 in the E89 and S65 would be great too. Must have deep pockets as that swap probably cost more than the entire car.
Here is the full breakdown if someone else wants to do the swap
https://www.dropbox.com/s/4d18zcbipd...xposé.pdf?dl=0
Full build
https://www.drive2.ru/r/bmw/915819/