ISO Harness Adapter for BMW ISO adapter cables are used for the passive connection of retrofit devices to the factory plugs present in the radio installation slot. Depending on the vehicle and equipment, the following signals are provided: +12V continuous current (clamp 30) +12V ignition (clamp 15) Ground (clamp 31) Dimmer (clamp 58) Antenna remote Loudspeaker connection for front/rear loudspeakers For vehicles with different equipment, signals that are not available may have to be connected to suitable tapping points fused in the vehicle (e.g. fuse box) or additional adaptations/interfaces may have to be used: CAN bus interfaces LFB interfaces Amplified system adapter Camera adapter Vehicle aplication: BMW 3er (E30) 09/1987->03/1994 BMW 3er (E36) Compact 1990 - 2000 BMW 3er (E36) 1990 - 2000 BMW 3er (E46) 02/1998 - 01/2007 BMW 5er (E34) 01/1988 - 06/1996 BMW 5er (E39) 09/1995 - 09/2004 BMW 7er (E38) 06/1994 - 08/2001 BMW X5 (E53) 11/1999 - 09/2006 BMW Z3 09/1995 - 07/2002 BMW Z8 03/2000 - 07/2003