PUMP INJECTION VP44 2.0 BOSCH 0470504003 zafira . Help!

[hamzaman]

Hello i have VP44 2.0 BOSCH 0470504003 and i wanna swap it by VP44 2.0 BOSCH 0470504004 .
Can any one tell me how to flash 04 pump to work lik 03 one ?
Thanks