Greetings. I bought a 630 E63, Bj2006 with engine damage. The engine is completely destroyed. Now I am looking for a replacement engine. I would like to install a complete engine. Now the question arises: Can I install all the N52B30 without changing the ECU? Or does anyone know the codes that would fit without making changes to the wire harness or control units? I have once attached the 2 stickers that I found. Thanks and G Rüße, Björn