...BMW doesn't manufacture the HP fuel pumps. Siemens does. Besides, that would be an engine support device/electronics. It has nothing to do with the mechanical design of the engine. Nor to its reliability. The pumps are failing... not the engines.
Big difference. We can Make a reference to that, only when people start throwing rods through the sleeved blocks of their N54's!!! Or eating pistons, etc, etc...