ic ic...thank you weaser...yes...that is dsc...hahah sorry for confusing....the cable that i slice and cut just the front speaker cable....because i'm install the hi to low rca converter for the amp installation....tommorow i will check it again....and if i find the answer, i inform again.....if because the slice cable, do i need to reset the dsc system with analyser again for full function again or just need to fix that cable?? because in my town, do not have bmw dealer....