Just a short question; How to replace fuel injectors 2002 BMW 745i 4-4 -v8

What is your question?

I have change the coils plugs cam shaft sensors 02 sensors, But I cant rid of these codes p0363isfire detected fueling disable, p1343 misfire cylinder 1 with fuel cut off,p1347 misfire cylinder 2 with fuel cut off and p1345 misfire cylinder 3 with fuel cut off. Now I am going to replace the fuel injectors to see if that will fix the problem