Maybe it'll be a single turbo n54 a la vishnu or hpf LOL..
In all seriousness it will probably have 2 twin scroll turbos to keep lag down and up the high end power..
I just hope it revs higher than 6,800 rpm
2008 335xi Jet Black
Procede V5//VRSF DPs//AMS FMIC//KW V1//M3 Sways & Sub Bushings// Alpina AT flash
Apex EC-7//Hankook V12//Dinan CAI