The gasket part #s were the same for the M54 and S54. VAC sells the p/s pump spacer to align the pully up with everything. Then there's the adaptor if you want to use -10AN lines.
I think the only unsolved problem with the S54 housing is the bracket for the p/s pump.
2013 F30 328i - Melbourne Red
2011 E90 M3 - Monte Carlo Blue
2004 E46 M3 - Imola red