How will it be more reliable? And give better consumption?

Continous injection system have incredibly good control over transients, and the atomisation of fuel is superior to electronic injectors. The problem you have with KE, is that it can only be calibrated over a small range of load. The MF2 sorts this by looking after all the on boost fuelling, while the the KE provides perfect off boost control.

There is a lot more to Efi converisons than a simple swap. Who is going to Map it? And are they any good? In the grand scheme of things probably not. Manufactures spend 1000's of man hours mapping an engine - so how a so called tuner can do it in an afternoon is comical.