HI ALL, THIS IS MY FIRST TIME ON THIS FORUM.

I WOULD LIKE TO ADD AMP AND SUB TO MY X5 2004. I HAVE THE STANDARD SOUND SYSTEM.

WERE CAN I FIND THE ELECTRICAL DIAG. AND OEM CONNECTION PIN OUT AND LOCATION AT THE BACK?

DOSE THE STANDARD SYSTEM HAVE RCA OUTPUT PLUG? IF SO WHERE ARE THEY?

DOSE THE STANDARD SYSTEM HAVE AMP END WHERE IS IT LOCATED.

THANKS.