Originally Posted by MrFatbooty
The big news is that the 4.4-liter 745 is being replaced by a 4.8-liter 750 which makes a bunch more power. In Europe there is a smaller V8 option but BMW figures us 'murricans don't need any smaller engine choices.
I'll bet it's the same engine (4.8L) lifted from the X5 4.8iS.