Originally Posted by Php
But the majority of BMW's revenue/profit is made from the regular 3 series and not the M...even if it serves as the flagship model. They know that and they wouldn't wanna mess around with that image or reputation for their future's sake....ESPECIALLY the 3 series, which counts for like 40% of all BMW cars sold.
My understanding is that the 535 has the n54/55 engine and does fail
I've Also read that the 750i uses direct injection and it's fuel pump is prone to failure
The 740 uses the n55 engine too